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 5920-01-478-5390
NSN 4140-00-608-5654
NSN 6220-01-206-4410
NSN 5835-01-259-0859
NSN 5990-01-321-2997
NSN 5920-00-678-7467
NSN 6610-01-215-8489
NSN 6610-01-465-1320
NSN 5895-01-394-4647
NSN 5996-01-308-0865
NSN 6105-01-650-4242
NSN 6145-00-403-9458