Description
Composite DOT push-to-connect male branch Y (wye) that joins two runs of 1/2 in. SAE J1131 nylon air-brake tubing onto a 1/2 in. male NPTF port through a 45° branch — gives a smoother flow path than a 90° tee where line routing or pressure drop matters. The Midland Industries 620808C is rated for SAE J2494-3 push-to-connect service and DOT FMVSS 571.106 air-brake circuits.
Signs You Need a New Push-to-Connect Male Y
- Audible air leak at any of the three ports
- Tubing pulls free under pressure or won’t fully seat
- Cracked or chalky composite body from UV / road salt exposure
- Slow brake-circuit pressure build or ABS DTCs tied to a leaking line
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Number | 620808C |
| Part Type | DOT Push-to-Connect Male Branch Y |
| Tube Ports | 1/2 in. OD x 1/2 in. OD Push-to-Connect (SAE J1131 nylon) |
| Pipe Port | 1/2 in. Male NPTF |
| Configuration | Male branch Y / wye (45° branch) |
| Body Material | Composite (glass-reinforced thermoplastic) |
| Standards | SAE J2494-3, DOT FMVSS 49 CFR 571.106, SAE J1131 tubing |
Applications
Used as a 3-way junction with smoother flow than a tee on:
- Tractor and trailer service / supply / emergency line splits
- Vocational-truck air-suspension and pneumatic accessory branches
- Bus and motorcoach chassis air plumbing
Use only with SAE J1131 nylon air-brake tubing on the push-in ports. Use NPTF-compatible thread sealant on the male thread.









