Description
Forged brass DOT push-in female bulkhead union with a 3/8″ push-to-connect tube end on one side and a 1/4″ female NPTF port on the other, designed to pass through a panel or bulkhead with a jam nut. Meets D.O.T. FMVSS 571.106 and SAE J1131 air brake performance requirements; commonly cataloged as 02486-0604.
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Number | 860604 |
| Part Type | DOT Push-In Forged Brass Female Bulkhead Union |
| Tube OD | 3/8″ |
| Pipe Thread | 1/4″ Female NPTF |
| Body Material | Forged Brass |
| Seal | Buna-N O-ring |
| Working Pressure | Vacuum to 150 PSI |
| Temperature Range | -40°F to +200°F |
| Compliance | DOT FMVSS 571.106, SAE J1131 |
| Tubing Compatibility | SAE J844 nylon air brake tubing |
Cross References
This part replaces or is equivalent to the following part numbers:
- Tectran: 87117, PL1386-6B
- Alkon: AQ86-DOT-6X4
- Norgren: 95457003M
- Also known as: 02486-0604, 266BHPPDOT-6B, DQ86DOT-6X4
Applications
Used throughout Class 6–8 commercial truck and trailer pneumatic systems wherever DOT-rated air brake tubing connects to a threaded port:
- Air brake system plumbing — service, supply, and control lines on tractors, semi-trailers, and straight trucks
- Air tank, relay valve, quick-release, brake chamber, and dryer port connections
- Air suspension lines, height-control valves, and ride-height plumbing
- Air-operated accessories: seats, fifth wheels, air horns, door locks, mirrors, shift controls
- Freightliner, Kenworth, Peterbilt, International, Volvo, Mack, and Western Star tractors and trailers
Verify tube OD and port thread size before ordering. Tubing must be cut square, deburred, and fully seated to achieve a proper seal.
