An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.
NSN 5950-01-050-5428
NSN 5895-01-226-5781
NSN 6650-01-010-0107
NSN 6220-00-515-0437
NSN 5920-01-625-1857
NSN 5990-00-247-0975
NSN 6240-01-494-3695
NSN 5945-00-368-2593
NSN 6645-01-396-4223
NSN 5935-01-414-6625
NSN 5905-00-855-1344
NSN 7035-01-243-8523