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 6110-00-161-4115
NSN 6610-01-382-1936
NSN 5985-01-024-2084
NSN 4140-01-500-1187
NSN 6105-01-013-6725
NSN 6610-00-052-8020
NSN 5915-00-349-9465
NSN 6105-01-351-9008
NSN 6145-01-202-6300
NSN 6135-01-351-2690
NSN 2925-01-226-5123
NSN 5975-01-456-5847