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 6130-01-622-2059
NSN 5975-01-249-9120
NSN 6110-01-478-9941
NSN 5945-01-005-1445
NSN 5910-01-128-3765
NSN 6150-01-044-1633
NSN 6145-01-268-5869
NSN 6645-01-254-0490
NSN 6610-01-647-7412
NSN 2925-00-808-5077
NSN 6240-01-151-2330
NSN 7035-01-013-0934