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 7035-00-135-4758
NSN 5950-01-462-5982
NSN 5965-01-457-6363
NSN 6685-01-103-0379
NSN 5925-01-641-7379
NSN 5930-01-341-4044
NSN 5996-01-141-6916
NSN 6145-00-434-1681
NSN 5950-01-446-2565
NSN 6135-00-497-0491
NSN 6320-01-296-3181
NSN 5855-00-484-4856