Item also known as faspin, these self locking pins have spring loaded ball that retracts when you push or pull the the pin. Rockwell hardness is b85
A headed fastening device having a solid cylindrical or tubular body with retaining ball or pinlike detent(s). The detent(s) is/are positioned and actuated by means of a spring, elastomer or plunger. Plunger may be operated by thumb, cam or other means. May be furnished with a pull ring, pull and/or lock ring, attaching ring or hook.
NSN 5999-00-294-9241
NSN 5985-00-923-8383
NSN 5975-00-290-4285
NSN 6240-01-484-6712
NSN 6620-00-128-3201
NSN 5985-00-573-7772
NSN 6620-01-168-8450
NSN 6135-01-362-4256
NSN 6685-01-097-0127
NSN 5835-00-434-5892
NSN 5950-01-426-4354
NSN 5935-01-481-9707