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 5975-01-075-3393
NSN 5920-01-182-4940
NSN 5999-00-279-9282
NSN 5905-00-606-9516
NSN 6150-01-513-8646
NSN 5835-00-233-6327
NSN 5855-00-918-1622
NSN 6105-00-959-5468
NSN 6685-00-419-6760
NSN 5975-01-015-7770
NSN 5996-00-486-8910
NSN 6135-01-608-2355