Best Compression Fitting Nuts (Sep. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Avid Hydraulic Disc Brake Compression Hose Nut - Replacement Part for Avid Br...

9.8
CPR Score
Top 2

Parker Hannifin 61P-4-pk10 Poly-Tite Nut and Sleeve Assembly Fitting, Brass, ...

9.7
CPR Score
Top 3

uxcell Brass Tubing Nut Tube Fitting Compression Insert Hydraulic Nuts M10x6m...

9.6
CPR Score
Tips


Our team has analyzed 306 products of different brands, including Parker, uxcell, Hillman, SDTC Tech, PATIKIL, 4LIFETIMELINES, HARFINGTON, Midline Valve, Cionyce, The Stop Shop, LTWFITTING And Parker Hannifin. The following list of top 24 best Compression Fitting Nuts is selected for the customers by analyzing and comparing different features.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Compression Fitting Nuts Rated by CherryPicks

Market Overview
Compression Fitting Nuts Reviewed
  • Reviews Analyzed: 860 Items
  • CPR Avg. Rating: 8.6 / 10
24 Products Evaluated
  • Highest Price: $38.75
  • Lowest Price: $5.29
  • Avg. Price: $15.10
Price Disclaimer

Top 24 Compression Fitting Nuts on Amazon (Verified You can Buy)

Top 1

Avid Hydraulic Disc Brake Compression Hose Nut - Replacement Part for Avid Brakes, Durable Material, Precision Engineering, Compatible with Hydraulic MTB & Road Bikes (Pack of 5)

Avid
11.5309.766.000
9.0 x 5.5 x 1.0 inches
0.0 Pounds
  • Original Language: English

Ratings for Avid (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Bicycle Addiction 1,072

Features

replacement compression hose nut designed specifically for Avid hydraulic disc brake systems, ensuring a secure and leak-free connection.
Constructed from durable, corrosion-resistant materials to withstand harsh riding conditions and extend the lifespan of your brake components.
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Top 2

Parker Hannifin 61P-4-pk10 Poly-Tite Nut and Sleeve Assembly Fitting, Brass, Plastic, 1/4" Tube Size, 3/8-24 Straight Thread (Pack of 10)

Parker Hannifin
61P-4-pk10
3.0 x 2.0 x 1.4 inches
1.0 pounds

Ratings for Parker Hannifin (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Megamart USA 1,735
SIM Supply, Inc. 1,182

Features

Designed for use with thermoplastic tubing
Machined in tube support
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Top 3

uxcell Brass Tubing Nut Tube Fitting Compression Insert Hydraulic Nuts M10x6mm 8pcs

uxcell
0.0992 Pounds

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

Thread Size: M10; Fit for Pipe Diameter: 6mm / 0.24"; Hexagonal Width: 12mm / 0.47"; Total Length: 12mm / 0.47"
The ferrule joint has the characteristics of firm connection, high pressure resistance, good sealing and repeatability, convenient installation and maintenance, and safe and reliable work.
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Top 4

The Hillman Group 58337 Brass Inverted Flare Nut 5/16 O.D. Tube , 6-Pack

Hillman
58337
2.5 x 1.3 x 1.6 inches
0.1323 pounds

Ratings for Hillman (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Precise 5/16 in tube size inverted flare nuts; includes six pieces per package; compatible with 2.5 in x 1.3 in x 1.6 in package dimensions; ideal for automotive or hydraulic use
Easy Installation and Low Maintenance: Designed for simple connection and lasting performance; inverted flare nut construction ensures quick pipe fitting and replacement; suitable for repeated use
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Top 5

SDTC Tech 3/8" Short Flare Nut, Brass SAE 45 Degree Tube Fitting, 4 Piece Air Conditioner Copper Pipe Extension Butt Copper Tube Flare Nut

SDTC Tech
FLARE-NUT-38NPT-4PCS
0.2601 pounds

Ratings for SDTC Tech (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SDTC Tech -

Features

【Quality Material】3/8" SAE 45 degree flared nuts are made of high quality brass material to ensure excellent corrosion resistance, high temperature ductility and low magnetic permeability. These properties of brass allow these nuts to maintain stability and durability in a wide range of environments.
【Special Design】The nut is designed for use with flared fittings at the end of copper tubing, providing a solid connection to a fixed point via a threaded fitting. This is particularly important for handling large amounts of water pressure or high gas distribution, making it ideal for replacing solder type fittings.
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Top 6

1/2" Stainless Steel Compression Nut, 316 SS, Set of 2

Teton Supply
0.5 x 0.5 x 0.1 Inches
0.0125 pounds

Ratings for Teton Supply (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Teton Supply -

Features

PREMIUM MATERIAL: Constructed from high-quality 316 stainless steel for superior corrosion resistance and durability in demanding applications
SIZE SPECIFICATION: 1/2 inch compression nut designed to provide secure, leak-proof connections in plumbing and fluid system installations
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Top 7

HARFINGTON Bulkhead Nuts 12AN Female Thread Aluminum Anodized Hex Nut for Bulkhead Fitting Adapter Gas Air Fluid Water, Black

HARFINGTON
12AN Female
5.51 x 3.94 x 0.2 inches
0.02 pounds

Ratings for HARFINGTON (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HARFINGTON -

Features

Size - Bulkhead nut female size: 12AN (1-1/16-12); hex width: 30mm / 1.18"; thread diameter: 25mm / 0.98"; total length: 8mm / 0.31"
Material - Bulkhead nut is made of lightweight aluminum, offering high hardness and wear resistance for sturdiness and durability. It exhibits corrosion resistance and is not prone to rust in humid environments. Black anodized finish is applied to further enhance its strength, durability, and corrosion resistance
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Top 8

Midline Valve RSC2256 Compression Coupling Fitting, with Packing Nut, Brass 3/4 in. Diameter x 3 in. Length

Midline Valve
RSC2256
2.5 x 0.75 x 0.75 inches

Ratings for Midline Valve (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Pro Plumbing Supply 6,499

Features

SECURITY: unites 2 shorter lengths of same O. D. piping with a secure, leak –free compression joint
VERSATILE: works great with ice makers, faucets, dishwashers, washing machines, etc.
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Top 9

FITOK 316 Stainless Steel Compression Tube Fitting Nut – 3/8" OD, SS-N-FL6 (5 pcs)

FITOK
SS-N-FL6
0.56 x 0.69 x 0.69 Inches

Ratings for FITOK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fitok -

Features

Premium Material: Manufactured from high-quality 316 stainless steel for superior mechanical strength and excellent corrosion resistance.
Anti-Galling Design: Silver-plated nut threads reduce friction against body threads, preventing galling and ensuring smooth assembly.
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Top 10

1/4" Brass Compression Tube Nut Fittings | 361-04 (5-PACK)

Discount Hydraulic Hose.com
361-04

Ratings for Discount Hydraulic Hose.com (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Hydraulax -

Features

Excellent for use in instrumentation, hydraulic and pneumatic systems, compression fittings are reliable and reusable.
These brass compression tube nuts provide vibration resistance - Use with aluminum, copper, and plastic tubing.
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Top 11

LTWFITTING 5/8-Inch Brass Compression Nut,Brass Compression Fitting(Pack of 25)

LTWFITTING
HF611025

Ratings for LTWFITTING (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
honest-f 7,841

Features

Type: Compression Nut
Tube Size:5/8" OD
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Top 12

PATIKIL M10 Male Thread 6.2mm ID Brass Compression Fittings, 4 Pack Brass Compression Nut

PATIKIL

Ratings for PATIKIL (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
PATIKIL US 4,730

Features

Material: Brass; Color: Gold Tone; Inner Diameter: 6.2mm / 0.24"; Thread Size: M10*1.0; Ferrule Size: 10mm x 12.5mm / 0.39" x 0.49"(Hex.W*H); Package List: 4 x Brass Compression Nut
Advantage: Made of brass material, which is corrosion resistant, high pressure resistant, durable and has a long service life.
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Top 13

1/2" Brass Compression Tube Nut Fittings | 361-08

Discount Hydraulic Hose.com

Ratings for Discount Hydraulic Hose.com (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Hydraulax -

Features

Excellent for use in instrumentation, hydraulic and pneumatic systems, compression fittings are reliable and reusable.
These brass compression tube nuts provide vibration resistance - Use with aluminum, copper, and plastic tubing.
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Top 14

FITOK 316 Stainless Steel Compression Tube Fitting Nut – 1/2" OD, SS-N-FL8 (5 pcs)

FITOK
SS-N-FL8
0.69 x 0.87 x 0.87 inches

Ratings for FITOK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fitok -

Features

Premium Material: Manufactured from high-quality 316 stainless steel for superior mechanical strength and excellent corrosion resistance.
Anti-Galling Design: Silver-plated nut threads reduce friction against body threads, preventing galling and ensuring smooth assembly.
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Top 15

3/8" Stainless Steel Compression Nut, Set of 2

Teton Supply
1.0 x 0.375 x 0.5 Inches
0.15 pounds

Ratings for Teton Supply (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Teton Supply -

Features

PREMIUM MATERIAL: Constructed from high-quality stainless steel for superior corrosion resistance and long-lasting durability in plumbing applications
STANDARD SIZE: 3/8 inch compression nut designed to create secure, leak-proof connections with compatible compression fittings and ferrules
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Top 16

SRAM eTap Hydraulic Brake Hose Compression Nut, Qty 5

SRAM
2039100171
2.5 x 1.25 x 0.25 Inches
0.04 pounds

Ratings for SRAM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Bicycle Addiction 1,072

Features

Precise Compatibility and Durable Materials: Crafted with , corrosion-resistant aluminum and rubber components, the SRAM eTap Hydraulic Brake Hose Compression Nut ensures secure and long-lasting connections for seamless brake performance.
Enhanced Hydraulic Performance and Leak Prevention: Designed to maintain optimal hydraulic pressure, these compression nuts feature innovative sealing technology that prevents leaks and enhances braking reliability in all riding conditions.
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Top 17

LTWFITTING 1/4-Inch Brass Compression Nut,Brass Compression Fitting(Pack of 25)

LTWFITTING
HF61425

Ratings for LTWFITTING (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
honest-f 7,841

Features

Type: Compression Nut
Tube Size:1/4" OD
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Top 18

HANSUM 1/2 Swivel Female Male Union Flare Nut Mini Split Adapter SAE 45 Degree Flares Fitting Brass Cap for Line Set Tube Connector Compression Fitting Metal Coupling Copper Pipe (1/2,2packs)

HANSUM
NUT008
0.94 x 0.94 x 0.79 Inches
0.07 pounds

Ratings for HANSUM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HANSUM Store -

Features

[Material]: Solid brass, solid and durable, with corrosion resistance, high temperature ductility and low permeability. Durable and high standard brass fittings flared short forged nuts. It is usually used to connect air, water, fuel, oil and inert gas pipelines in a quick and simple way.
[Features]: The two ends of the joint are connected with 45 ° flares, which has multiple functions and is convenient for installation and disassembly.
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Top 19

Cionyce 10 Pack Brass Flare Nut for Air Conditioning Copper Pipe Extension Butt (10PCS, 1/2" Flare Nut)

Cionyce

Ratings for Cionyce (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CHAZC -

Features

Material Advantage: Made of brass, this Flare Nut offers corrosion resistance, ductility at high temperatures, and low magnetic permeability.
Wide Application: Widely used in fuel, air, liquid, oil, gas, and vacuum lines, making it highly versatile for various applications.
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Top 20

Parker Hannifin 61P-4-pk20 Poly-Tite Nut and Sleeve Assembly Fitting, Plastic, 1/4" Tube Size, 3/8-24 Straight Thread, Brass (Pack of 20)

Parker
61P-4-pk20

Ratings for Parker (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Megamart USA 1,735

Features

Designed for use with thermoplastic tubing
Machined in tube support
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Top 21

4LIFETIMELINES Steel Tube Nut, 3/16 (M12x1.0 Bubble), 10/bag

4LIFETIMELINES
LTN38-FBM
7.0 x 4.0 x 0.5 inches
0.25 pounds

Ratings for 4LIFETIMELINES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
4LifetimeLines -

Features

Includes ten (10) Steel Tube Nut, 3/16, M12x1.0 Bubble, per bag
4LifetimeLines brake line tube nuts are made with unmatched superior quality
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Top 22

3/8" Brass Compression Tube Nut Fittings | 361-06 (5-PACK)

Discount Hydraulic Hose.com
361-06

Ratings for Discount Hydraulic Hose.com (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Hydraulax -

Features

Excellent for use in instrumentation, hydraulic and pneumatic systems, compression fittings are reliable and reusable.
These brass compression tube nuts provide vibration resistance - Use with aluminum, copper, and plastic tubing.
Show More
Top 23

The Stop Shop Inverted Flare Tube Nut for 5/16" Tube (1/2-20 Threads) (Pack of 12)

The Stop Shop
F201
0.2205 pounds

Ratings for The Stop Shop (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
thestopshop -

Features

For 5/16" Tube
1/2-20 Threads (standard 5/16" tube fitting size)
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Top 24

Midline Valve RSC2322 Compression Coupling, Packing Nut, Brass 1 in. Nominal Fitting, 3 in. Length

Midline Valve
RSC2322
2.5 x 1.0 x 1.0 Inches

Ratings for Midline Valve (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Security: unites 2 shorter lengths of same O. D. piping with a Secure, Leak –Free Compression joint
Versatile: works Great with ice makers, Faucets, dishwashers, washing machines, etc.
Show More

Top 10 Compression Fitting Nuts - Verified to Buy (September 2026)

Top 10 Compression Fitting Nuts Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Avid
  • Parker Hannifin
  • uxcell
  • Hillman
  • SDTC Tech
  • Teton Supply
  • HARFINGTON
  • Midline Valve
  • FITOK
  • Discount Hydraulic Hose.com

Top 10 Compression Fitting Nuts Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 uxcell 561,393 4.8
🥈 Bicycle Addiction 47,456 4.9
🥉 SIM Supply, Inc. 44,002 4.7
4 Megamart USA 32,747 4.8
5 PATIKIL US 13,826 4.7
6 Pro Plumbing Supply 10,330 4.8
7 honest-f 8,681 4.9
8 thestopshop 6,742 4.9
9 HARFINGTON 6,155 4.9
10 4LifetimeLines 3,967 4.8
View or download top Compression Fitting Nuts seller & rating report
uxcell [561393] Bicycle Addiction [47456] SIM Supply, Inc. [44002] Megamart USA [32747] PATIKIL US [13826] Pro Plumbing Supply [10330] honest-f [8681] thestopshop [6742] HARFINGTON [6155] 4LifetimeLines [3967] uxcell 76% Bicycle Addiction 6% SIM Supply, Inc. 6% Megamart USA 4% PATIKIL US 2% Pro Plumbing Supply 1% honest-f 1% thestopshop 1% HARFINGTON 1% 4LifetimeLines 1%

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Why Should You Trust Us?

Now hundreds and thousands of Hydraulics, Pneumatics & Plumbing supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Compression Fitting Nuts to buy for new September 2026?

CherryPicks’s Methodology for Evaluating Compression Fitting Nuts

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Hydraulics, Pneumatics & Plumbing items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Compression Fitting Nuts reviews based on our selection criteria. It helped us shortlist the top qualified and rated Compression Fitting Nuts for Hydraulics, Pneumatics & Plumbing, We found that most customers choose Compression Fitting Nuts with an average price of $15.10, and the top brands are Parker, uxcell, Hillman, SDTC Tech, PATIKIL, 4LIFETIMELINES, HARFINGTON, Midline Valve, Cionyce, The Stop Shop, LTWFITTING And Parker Hannifin

Then our expert-level editors reviewed all those quality items and selected the top 24 Compression Fitting Nuts for you, We have researched hundreds of sellers and picked the top sellers for Hydraulics, Pneumatics & Plumbing, including uxcell, Bicycle Addiction, SIM Supply, Inc., Megamart USA, PATIKIL US, Pro Plumbing Supply, honest-f, thestopshop, HARFINGTON, 4LifetimeLines, SDTC Tech And CHAZC. The Avid Hydraulic Disc Brake Compression Hose Nut ... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 7 consumers with an average rating of 5.0.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Compression Fitting Nuts to buy.


Written By Ronald M. Bieber

Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.