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 5945-00-229-2666
NSN 6685-00-528-5175
NSN 6645-01-455-1293
NSN 5985-01-526-6473
NSN 6150-01-371-9440
NSN 5965-01-425-2039
NSN 6135-00-519-1325
NSN 5996-01-326-6313
NSN 5895-00-525-3295
NSN 5935-00-851-4248
NSN 5925-01-421-2632
NSN 6620-00-269-8950