An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5930-00-558-8607
NSN 5855-01-606-2129
NSN 6240-00-845-9098
NSN 4140-00-026-5437
NSN 6645-00-857-0410
NSN 6685-00-945-7340
NSN 6650-01-494-6338
NSN 6110-01-283-7834
NSN 6110-01-294-0891
NSN 6620-00-171-4035
NSN 5835-01-572-1284
NSN 6105-01-306-4618