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 6610-00-359-2226
NSN 5999-01-436-0857
NSN 5945-01-382-9224
NSN 6620-00-060-6801
NSN 5990-01-575-3275
NSN 5920-01-471-5364
NSN 5895-00-216-5849
NSN 6320-01-125-3361
NSN 6220-01-578-0801
NSN 2925-01-324-3533
NSN 5835-01-229-6964
NSN 5985-01-560-5630