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 6135-00-284-1406
NSN 6150-01-418-2159
NSN 4140-00-596-4726
NSN 5990-00-905-2474
NSN 5935-01-075-8953
NSN 6240-00-543-9321
NSN 5920-01-269-2604
NSN 5895-01-383-6999
NSN 5965-00-886-8511
NSN 5855-01-267-0733
NSN 6110-01-490-6575
NSN 6220-01-067-8142