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 6220-01-214-0270
NSN 6135-01-528-2830
NSN 5998-00-448-3193
NSN 5975-01-448-2998
NSN 5910-01-588-5270
NSN 6320-01-310-8068
NSN 5960-01-627-6547
NSN 6135-00-321-6707
NSN 5855-01-118-2210
NSN 5905-01-498-2737
NSN 6110-01-364-0322
NSN 5996-01-463-3152