Description
DOT push-in male swivel branch tee that joins two equal-size 1/4″ OD nylon air-brake tubing runs and branches to a 1/4″ male NPTF port at the swiveling stem. The Midland 720404S is constructed of brass with a brass captive eyelet, a 90-durometer Buna-N O-ring, and pre-applied Teflon-based thread sealant; it is rated to 150 PSI and meets D.O.T. FMVSS 571.106 / SAE J1131 air brake requirements.
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Number | 720404S |
| Part Type | DOT Push-In Male Swivel Branch Tee |
| Run Connections | 1/4″ OD Push-to-Connect ×2 |
| Branch Connection | 1/4″ Male NPTF (swivel) |
| Body Material | Brass with brass captive eyelet |
| Seal Material | Buna-N / Nitrile (90 durometer) |
| Thread Sealant | Pre-applied Teflon-based |
| Working Pressure | Vacuum to 150 PSI |
| Temperature Range | -40°F to 200°F |
| Approvals | D.O.T. FMVSS 571.106; SAE J1131 |
Applications
This DOT push-in swivel branch tee is designed for compressed-air plumbing on Class 5–8 trucks, tractors, and trailers, including:
- DOT air brake supply and control-line branching from valves and reservoirs
- Air suspension and air-bag manifolding
- Trailer air-line routing and dual-tank tie-ins
- Auxiliary air systems (air horns, axle locks, height-control valves) where the branch must be oriented after threading
For use with DOT-approved 1/4″ OD nylon air-brake tubing. Verify tube outside diameter and pipe thread size before ordering.
