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 6110-00-260-0130
NSN 4140-01-353-0548
NSN 5910-01-323-0826
NSN 2925-00-020-7524
NSN 5985-01-161-6939
NSN 7035-00-206-6123
NSN 5920-00-291-1379
NSN 5996-01-004-2579
NSN 6320-00-788-5297
NSN 5990-00-907-9230
NSN 5950-01-481-0377
NSN 5855-01-273-6132