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 2925-01-415-0264
NSN 6610-00-232-9485
NSN 5985-00-584-3795
NSN 6130-00-373-1757
NSN 5910-00-062-4419
NSN 5996-01-527-9707
NSN 5999-01-232-2999
NSN 2925-00-799-5989
NSN 5835-01-158-6878
NSN 5895-01-008-1375
NSN 6650-00-415-0273
NSN 6145-01-608-5629