**MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR**
- **Size:** 5/16-18x1 1/2
- **Thread Type:** Coarse
- **Head Style:** Phil Pan
- **Material:** 300 Series Stainless Steel
- **Finish:** DFAR
- **Thread Length:** 1 1/2 inches
- **Features:** Full thread, corrosion-resistant, high strength
- **Applications:** Aerospace, automotive, marine, industrial