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 6220-00-474-8244
NSN 5930-01-634-0659
NSN 4140-00-577-3512
NSN 5975-00-451-5001
NSN 6135-00-567-1322
NSN 6320-01-259-2604
NSN 5910-01-350-4290
NSN 5925-01-444-3880
NSN 5996-00-922-4152
NSN 6610-01-194-8659
NSN 6685-01-088-9388
NSN 6685-01-271-2934