A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
NSN 5910-00-359-9739
NSN 5999-00-926-2556
NSN 5925-00-171-0307
NSN 6130-01-184-3225
NSN 6110-00-008-8000
NSN 5960-01-531-4845
NSN 5910-01-315-5790
NSN 5950-01-329-4058
NSN 6220-00-344-3189
NSN 5975-01-602-9402
NSN 5996-01-241-3156
NSN 5950-01-258-2181