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 5855-01-553-1162
NSN 5910-01-613-7891
NSN 6220-00-111-0921
NSN 5895-00-172-2256
NSN 6145-01-580-4619
NSN 5990-00-446-0518
NSN 5910-00-482-7851
NSN 5905-01-080-9145
NSN 5998-01-011-6819
NSN 6610-01-265-1824
NSN 6240-01-320-1308
NSN 5925-00-597-1558