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 6130-01-631-5282
NSN 6105-00-455-1381
NSN 6135-01-388-2761
NSN 2925-01-264-5256
NSN 6150-01-281-2131
NSN 5905-00-156-9766
NSN 5925-01-575-1383
NSN 5985-01-336-3362
NSN 7035-01-302-5359
NSN 5895-01-010-3102
NSN 6130-00-938-6900
NSN 5855-01-321-3881