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 5990-01-548-3711
NSN 5975-00-818-2569
NSN 6220-01-478-2038
NSN 5855-01-366-2429
NSN 5965-01-170-4425
NSN 5996-01-528-7386
NSN 5960-01-573-6483
NSN 6240-00-695-1032
NSN 4140-01-264-9258
NSN 6145-01-094-5146
NSN 7035-01-435-7962
NSN 2925-01-504-2650