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 5975-00-839-9447
NSN 5915-00-258-4398
NSN 5960-01-503-4123
NSN 2925-00-465-6354
NSN 2925-01-553-5132
NSN 5835-00-470-4295
NSN 5965-01-421-1244
NSN 5945-01-415-0858
NSN 5915-00-642-6596
NSN 5910-00-617-5262
NSN 4140-01-115-7377
NSN 6650-01-022-8500