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 5855-01-218-3735
NSN 5998-01-215-1313
NSN 6130-00-167-7584
NSN 5990-01-424-2954
NSN 5910-01-633-9963
NSN 6620-00-905-6590
NSN 6650-00-578-6543
NSN 5855-01-357-7907
NSN 5895-00-855-3161
NSN 5905-01-415-5116
NSN 5905-00-892-9242
NSN 4140-01-315-1986