Home Air Brake Standard DOT Compression Sleeve Brass 1/4"
Air Brake Standard
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DOT Compression Sleeve Brass 1/4"
(Pack of 10.0)

Lawson

Create secure, leak-proof connections effortlessly with our brass compression sleeve. Designed for use with copper, brass, and aluminum tubing, this DOT fitting sleeve works seamlessly with a compression nut and fitting to form a watertight seal in low-pressure systems like air, oil, and water lines. Its innovative design eliminates the need for flaring tools—just tighten the nut, and the sleeve locks snugly between the fitting body and nut for a dependable seal. Perfect for plumbing, fuel lines, and various industrial applications, it’s your go-to solution for reliable and efficient pipe connections.
• Fittings are shipped with nuts, sleeves and inserts preassembled, ready to slip onto tubing
• Meets D.O.T. FMVSS 571.106
• Temperature range: –40°F to +200°F (–40°C to +93°C)
• Exceeds pressure requirements of automotive air brake systems
• Typical applications include air brake systems, air control and gauge lines
• Used with nylon tubing (SAE J844, Type 3)
Assembly Instructions
1. Cut tubing squarely.
2. Insert tubing into fitting until bottomed on seat.
3. Tighten nut with wrench until one thread remains visible on the fitting body; or, the nut should be screwed down finger-tight, then wrench-tightened as indicated in the table (this will allow for a number of remakes).

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California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

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Product Description

Create secure, leak-proof connections effortlessly with our brass compression sleeve. Designed for use with copper, brass, and aluminum tubing, this DOT fitting sleeve works seamlessly with a compression nut and fitting to form a watertight seal in low-pressure systems like air, oil, and water lines. Its innovative design eliminates the need for flaring tools—just tighten the nut, and the sleeve locks snugly between the fitting body and nut for a dependable seal. Perfect for plumbing, fuel lines, and various industrial applications, it’s your go-to solution for reliable and efficient pipe connections.
• Fittings are shipped with nuts, sleeves and inserts preassembled, ready to slip onto tubing
• Meets D.O.T. FMVSS 571.106
• Temperature range: –40°F to +200°F (–40°C to +93°C)
• Exceeds pressure requirements of automotive air brake systems
• Typical applications include air brake systems, air control and gauge lines
• Used with nylon tubing (SAE J844, Type 3)
Assembly Instructions
1. Cut tubing squarely.
2. Insert tubing into fitting until bottomed on seat.
3. Tighten nut with wrench until one thread remains visible on the fitting body; or, the nut should be screwed down finger-tight, then wrench-tightened as indicated in the table (this will allow for a number of remakes).

Technical Specifications

Item#: 84321
Fitting Type Compression - Nylon
Style DOT
Material Brass
Configuration Compression Sleeve
Connection Type A Tube
Fitting Dimension A 1/4 "
Size 1/4
Type Compression
UNSPSC #: 25171700
TAA Compliant: No
Weight: 0.02 lb

Product Restrictions

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

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