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 6130-01-341-2801
NSN 5920-00-498-5945
NSN 7035-00-541-8516
NSN 5999-01-137-5825
NSN 6220-01-219-6294
NSN 5855-00-301-1176
NSN 5895-00-477-7823
NSN 5835-01-241-1090
NSN 5910-01-541-5046
NSN 6150-00-395-9999
NSN 5975-01-633-7089
NSN 6645-00-774-8580