6mm DOT Brass Union
Overview
The 620600M is a 6mm push-to-connect x 6mm push-to-connect DOT union in brass, splicing two equal runs of 6mm metric nylon air-brake tubing tool-free. It is DOT FMVSS-571.106 / SAE J1131 approved for commercial vehicle air brake systems and rated to 150 psi from -40°F to 200°F.
Technical Specifications
| MPN | 620600M |
| Fitting Type | Union (straight) |
| Connection 1 | 6mm Push-to-Connect |
| Connection 2 | 6mm Push-to-Connect |
| Pressure Rating | 150 psi |
| Temperature Range | -40°F to 200°F |
| Standard | DOT FMVSS-571.106 / SAE J1131 |
Materials of Construction
| Body | Brass |
| Collet / Seal | Composite collet, O-ring seal |
Typical Applications
Splices or extends 6mm metric nylon air brake tubing on trucks, trailers, and buses built to metric line sizes, providing a tool-free, reusable DOT-approved connection.
Cross-Reference and Interchange
Replacing a competitor part? Send us your part number and we will confirm the interchange. Match nominal tube size, connection type, and pressure rating before substituting.
Sizing and Installation Resources
- Push-to-Connect Fittings Selection Guide
- Pipe Size Reference Chart
- NPT Thread Tightening: Turns Past Hand-Tight
FAQ
Does it fit 6mm metric tubing?
Yes, both ends accept 6mm OD nylon air brake tubing.
Is it DOT approved?
Yes, it meets DOT FMVSS-571.106 and SAE J1131.
Is it reusable?
The push-to-connect collet allows tube release and reconnection during service.
WARNING: This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.