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 6650-00-126-3002
NSN 6610-00-001-5516
NSN 4140-01-044-5118
NSN 5945-01-142-9278
NSN 7035-01-113-6492
NSN 5996-01-526-6120
NSN 6620-01-093-1383
NSN 4140-01-566-9734
NSN 2925-01-361-5310
NSN 5990-01-453-3552
NSN 6320-01-299-6367
NSN 6135-01-487-0773