DOT Air Brake Compression Union for Nylon Tubing, Brass, 1/2 x 1/2", Tube x Tube
(Pack of
2)
SKU:84255 Item#: 84255
Simplify tough jobs with our compression air connector, the versatile solution for joining pipes and tubing without soldering or welding. Designed for plumbing, HVAC, gas lines, and hydraulic applications, this connector ensures a reliable seal while saving you time and effort. Easy to install and remove with just a spanner or wrench, it eliminates the need for heat—making it safer to use in tight or heat-sensitive spaces. Durable and efficient, it’s the go-to tool professionals trust for both convenience and quality results.
• 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).
Frequently Bought Together
DOT Compression Connector Male Brass 3/8 x 3/8"
Couldn't load pickup availability
DOT Compression Connector Male Brass 3/8 x 3/8"
Couldn't load pickup availability
DOT Compression Connector Male Brass 3/8 x 1/2"
Couldn't load pickup availability
DOT Swivel Elbow Male 360° Brass 1/4 x 1/4-18
Couldn't load pickup availability
Ball Check Grease Fitting 90°
Couldn't load pickup availability
DOT Compression Sleeve Brass 1/4"
Couldn't load pickup availability
Hose Clamp 301 SS 3/4 to 1-3/4"
Couldn't load pickup availability
DOT Connector Male Brass 3/8 x 1/4-18
Couldn't load pickup availability
Ball Check Grease Fitting Straight
Couldn't load pickup availability
DOT Elbow Male Nylon 1/4 x 1/8-27
Couldn't load pickup availability
DOT Connector Male Brass 1/4 x 1/8-27
Couldn't load pickup availability
Hose Clamp 301 SS 9/16 to 1-1/4"
Couldn't load pickup availability
SAE J995C Locknut with Nylon Insert Grade 8 3/8-16
Couldn't load pickup availability
IFI 100/107 Top Locknut Grade C 5/8-11
Couldn't load pickup availability
USS Flat Washer Thru-Hardened Steel 1/4"
Couldn't load pickup availability
DOT Union Nylon 1/4 x 1/4"
Couldn't load pickup availability
Butt Connector 12 to 10 AWG Clear
Couldn't load pickup availability
Jackpot Cherry Hand Cleaner with Pumice 1gal
Couldn't load pickup availability
Product Description
Simplify tough jobs with our compression air connector, the versatile solution for joining pipes and tubing without soldering or welding. Designed for plumbing, HVAC, gas lines, and hydraulic applications, this connector ensures a reliable seal while saving you time and effort. Easy to install and remove with just a spanner or wrench, it eliminates the need for heat—making it safer to use in tight or heat-sensitive spaces. Durable and efficient, it’s the go-to tool professionals trust for both convenience and quality results.• 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#: | 84255 |
|---|---|
| Fitting Type | Compression - Nylon Tubing |
| Style | DOT |
| Material | Brass |
| Configuration | Union |
| Connection Type A x B | Tube x Tube |
| Fitting Dimension A | 1/2 " |
| Fitting Dimension B | 1/2 " |
| Size | 1/2 |
| Type | Compression |
| UNSPSC #: | 25171700 |
| TAA Compliant: | No |
| Weight: | 3.4 lb |
Product Restrictions
