Description
Premium aftermarket DOT push-to-connect union from Midland Industries, joining two 3/8 inch OD nylon air brake tubes with no tools. All-brass body with a captive brass eyelet and a nitrile seal, compliant with FMVSS 571.106 and SAE J1131.
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Number | 620600 |
| Type | Push-to-connect union, straight |
| Tube Size | 3/8 in OD, both ends |
| Material | Brass body, all-brass captive eyelet |
| Seal | Buna-N / nitrile O-ring, 90 durometer |
| Working Pressure | Vacuum to 150 psi |
| Temperature Range | -40 F to +200 F |
| Standards | DOT FMVSS 571.106, SAE J1131 |
| Assembly | No tools required, reusable |
Cross References
This part replaces or is equivalent to the following part numbers:
- Midland Industries: 62-0600
Applications
This union splices 3/8 inch SAE J844 nylon air brake tubing on tractors and trailers – service and emergency lines, air suspension plumbing, and cab and accessory air circuits.
620600 is the brass version. 620600C is the composite version of the same fitting and is a different part. Pulling on the tube tightens the grip – always confirm the tube is fully seated after assembly.









