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 5915-01-641-6139
NSN 4140-01-515-2722
NSN 6685-01-478-4244
NSN 6135-00-798-1425
NSN 6110-00-730-8143
NSN 5945-01-141-0146
NSN 6610-01-043-5162
NSN 6685-01-228-5332
NSN 5930-01-048-6185
NSN 5930-00-936-8859
NSN 5895-01-183-5507
NSN 6685-00-980-0375