4-40 x 1/2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DPRWDPT withstanding up to 1000 hours

withstanding up to 1000 hours of salt spray testing

This screw is commonly used in applications where corrosion resistance and strength are important

This bolt is made from steel and has a black oxide finish that provides excellent corrosion resistance

which provides a strong and reliable connection

4-40 x 1/2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DPRWDPT withstanding up to 1000 hours**4 40 x 1 2 MS51957, NAS 1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S S DFAR** This machine screw is made of 300 series stainless steel, which provides excellent corrosion resistance. It has a coarse thread and a full thread length, which provides a secure hold in a variety of applications. The Phil pan head has a rounded top and a slotted drive, which allows for easy installation and removal. The screw meets the specifications of