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 6645-00-664-4665
NSN 5945-01-091-9430
NSN 6145-01-212-6192
NSN 6135-00-542-6728
NSN 5910-01-321-9031
NSN 6130-00-433-9422
NSN 5905-00-349-7055
NSN 5930-00-484-4189
NSN 6220-01-211-8419
NSN 6220-00-510-7899
NSN 5855-01-394-7125
NSN 6320-01-399-6177