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 6650-01-386-6711
NSN 5835-01-268-1924
NSN 5999-01-565-1429
NSN 5855-00-494-9581
NSN 6240-01-453-7614
NSN 6135-01-548-1423
NSN 5999-01-483-9075
NSN 5999-00-560-7173
NSN 5985-01-631-1410
NSN 5990-00-197-0159
NSN 5905-01-358-7301
NSN 6145-01-439-5035