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 5975-00-636-4910
NSN 5996-01-501-2519
NSN 5999-01-024-9547
NSN 6620-00-248-6950
NSN 5835-01-064-0859
NSN 6645-01-420-5435
NSN 6650-01-211-9163
NSN 5999-01-374-3321
NSN 6320-01-314-8017
NSN 6610-01-630-5515
NSN 5985-00-100-0140
NSN 5975-01-090-3581