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 6650-01-420-7388
NSN 6685-01-431-1454
NSN 6135-01-524-7621
NSN 6240-00-299-9819
NSN 6610-01-574-2382
NSN 5960-00-844-5967
NSN 5910-01-604-9958
NSN 5835-01-168-6256
NSN 6220-01-278-9369
NSN 6610-01-382-7894
NSN 5945-00-801-3197
NSN 6105-00-752-2560