**MS51957, NAS-1635 Phil Pan Machine Screw**
* **Size:** 5/16-18x1 1/4
* **Thread:** Coarse, full thread
* **Material:** 300 series stainless steel
* **Head:** Phil pan
* **Drive:** Phillips
* **Finish:** DFAR compliant
* **Features:**
* High strength and corrosion resistance
* Self-tapping for easy installation
* Ideal for use in aircraft and aerospace applications
* Meets or exceeds industry standards