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 5975-01-082-7807
NSN 6685-00-715-9254
NSN 6135-00-100-0485
NSN 6320-01-244-9268
NSN 6610-01-014-2356
NSN 5910-00-421-6254
NSN 6610-01-609-0799
NSN 5915-01-134-6385
NSN 6110-01-520-6498
NSN 6130-00-959-2117
NSN 6240-01-130-1505
NSN 5960-00-239-3054