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 5925-00-234-0211
NSN 5965-01-617-4523
NSN 5960-01-414-1677
NSN 6150-01-579-4003
NSN 5835-01-227-2318
NSN 4140-00-684-7314
NSN 5998-01-155-7638
NSN 5930-01-165-9990
NSN 6220-01-593-5083
NSN 6320-00-186-6452
NSN 5998-01-570-1754