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 5855-01-331-8502
NSN 5965-01-544-3081
NSN 5945-01-020-7668
NSN 6685-01-400-3407
NSN 5935-00-456-1779
NSN 5910-01-645-4983
NSN 6110-01-104-7809
NSN 5975-01-003-9803
NSN 4140-00-541-9077
NSN 6150-00-047-9375
NSN 2925-01-501-1104
NSN 4140-01-113-0272