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 5960-01-467-0961
NSN 2925-00-111-4097
NSN 6645-00-616-1289
NSN 5945-01-423-7966
NSN 5975-01-476-8290
NSN 6135-01-377-5729
NSN 5965-01-238-3900
NSN 2925-01-519-3221
NSN 6130-00-170-4844
NSN 5990-01-619-6446
NSN 6150-00-832-9770
NSN 2925-01-604-8984