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 5950-01-222-3704
NSN 6620-00-886-1158
NSN 6220-01-467-2268
NSN 5935-00-055-5087
NSN 5975-00-534-3697
NSN 5835-01-432-1277
NSN 7035-01-533-8790
NSN 6685-00-005-7160
NSN 6650-01-005-0714
NSN 5950-01-121-7882
NSN 5935-01-003-3313
NSN 5925-01-120-3837