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 6150-01-408-0815
NSN 7035-00-179-3924
NSN 6110-01-260-8059
NSN 5990-00-906-4840
NSN 6145-01-576-9609
NSN 2925-01-576-4713
NSN 4140-00-067-7460
NSN 5999-01-416-7430
NSN 6645-00-483-2981
NSN 6135-01-265-1384
NSN 5965-01-132-1427
NSN 5985-00-162-9293