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 6620-01-643-5531
NSN 6650-01-211-5628
NSN 7035-01-434-6134
NSN 7035-01-245-2858
NSN 5855-01-295-2313
NSN 6130-00-463-2240
NSN 5895-00-702-6827
NSN 6685-01-442-4985
NSN 6620-01-294-1044
NSN 6320-01-501-7935
NSN 4140-00-111-3247
NSN 2925-00-951-0150