5/8 in. x 1/2 in. Composite DOT Swivel Male Elbow
Sizes in This Series
Brass D.O.T. push-in x male NPT 90-degree swivel elbows. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. x 1/8 in. | 690402S | $9.99 | Add to cart |
| 1/2 in. x 3/8 in. | 690806S | $15.99 | Add to cart |
| 5/8 in. x 1/2 in. (this page) | 691008SA | $23.99 | — |
Overview
The Midland 691008SA is a brass D.O.T. 90-degree male swivel elbow connecting a 5/8 in. push-to-connect port to a 1/2 in. male NPTF swivel thread. The largest swivel elbow in this series, it is rated to 200 psi from -40 to 200°F and carries a 7/8 in. hex. The swivel allows the push-in leg to be oriented after the thread is set.
Technical Specifications
| MPN | 691008SA |
| Fitting Type | 90-degree Male Swivel Elbow |
| Connection 1 | 5/8 in. Push-to-Connect |
| Connection 2 | 1/2 in. Male NPTF Swivel |
| Thread Size | 1/2 - 14 |
| Hex Size | 7/8 in. |
| Pressure Rating | 200 psi |
| Temperature Rating | -40°F to 200°F |
Materials of Construction
| Body | Brass |
| Compliance | D.O.T. FMVSS 571.106 / SAE J1131 |
Typical Applications
Specified for larger 5/8 in. D.O.T. air-brake lines turning into 1/2 in. ported reservoirs, valves, and manifolds on heavy trucks and trailers. The 200 psi rating suits primary supply and emergency-line plumbing, while the swivel simplifies routing in confined frame areas.
Cross-Reference and Interchange
This brass D.O.T. swivel elbow cross-references to these competitor and industry part numbers: 269PPSDOT-10D-Y. Replacing one of these? Match nominal size, connections, and rating, or send us your part number and we will confirm the interchange.
Sizing and Installation Resources
- Push-to-Connect Fittings Selection Guide
- NPT Thread Tightening: Turns Past Hand-Tight
- Pipe Size Reference Chart
- Teflon Tape vs. Pipe Dope
Frequently Asked Questions
What is the pressure rating?
The 691008SA is rated to 200 psi from -40°F to 200°F.
What tubing does the push-in end accept?
It accepts 5/8 in. OD D.O.T.-rated air-brake tubing.
What hex size is used?
The thread end uses a 7/8 in. hex.
Does the swivel affect sealing?
No. The swivel rotates on a separate sealed shoulder, so orienting the leg does not loosen the NPTF thread.
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.