Description
This Midland Industries listing covers the family of DOT-approved 45° push-in elbow fittings for air brake and pneumatic systems. Each has a push-in tube end and a male NPT thread, with a composite body, brass push ring, and brass threads engineered to seal, resist vibration, and simplify installation.
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Type | DOT Push-In 45° Elbow |
| Body | Composite |
| Push Ring / Threads | Brass |
| Connection | Push-in tube x Male NPT |
| Configuration | 45° elbow |
| Compliance | DOT FMVSS 571.106 |
Cross References
Equivalent 45° composite push-in elbows by size (select your size above; verify tube OD and thread before ordering):
| Midland | Size (Tube x NPT) | Tramec Sloan | Tectran | Velvac | Phillips | Parker | Automann |
|---|---|---|---|---|---|---|---|
| 545302C | 5/32 x 1/8 | S754PMT-532-2 | QL1374-25A, 87623 | 016451 | — | — | 177.117425A |
| 540402SC | 1/4 x 1/8 | S754PMT-4-2 | QL1374-4A, 87595 | 016442 | 12-98042 | VS379PTCR-4-2 | 177.11744A |
| 540404SC | 1/4 x 1/4 | S754PMT-4-4 | QL1374-4B, 87597 | 016444 | 12-98044 | VS379PTCR-4-4 | 177.11744B |
| 540602SC | 3/8 x 1/8 | S754PMT-6-2 | QL1374-6A, 85488 | 016452 | — | VS379PTCR-6-2 | — |
| 540604SC | 3/8 x 1/4 | S754PMT-6-4 | QL1374-6B, 87599 | 016464 | 12-98064 | VS379PTCR-6-4 | 177.11746B |
| 540606SC | 3/8 x 3/8 | S754PMT-6-6 | QL1374-6C, 87601 | 016466 | 12-98066 | VS379PTCR-6-6 | 177.11746C |
| 540608SC | 3/8 x 1/2 | S754PMT-6-8 | QL1374-6D, 87602 | 016947 | — | VS379PTCR-6-8 | 177.11746D |
| 540806SC | 1/2 x 3/8 | S754PMT-8-6 | QL1374-8C, 87619 | 016486 | 12-98086 | VS379PTCR-8-6 | 177.11748C |
| 540808SC | 1/2 x 1/2 | S754PMT-8-8 | QL1374-8D, 87616 | 016950 | 12-98088 | VS379PTCR-8-8 | 177.11748D |
| 541006SC | 5/8 x 3/8 | S754PMT-10-6 | QL1374-10C, 87615 | 016454 | 12-98106 | VS379PTCR-10-6 | 177.117410C |
| 541208SC | 3/4 x 1/2 | S754PMT-12-8 | QL1374-12D, 87212 | 016457 | — | VS379PTCR-12-8 | 177.117412D |
Applications
This 45° elbow is used for:
- DOT air brake nylon tubing where a 45° turn is needed
- Pneumatic and auxiliary air circuits
- Commercial truck and trailer air systems
Verify hose size, thread, and fitting configuration before ordering to confirm fitment.
