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 5990-01-120-1910
NSN 5930-01-481-2993
NSN 5855-00-320-4116
NSN 5855-00-004-0904
NSN 5920-01-487-6419
NSN 5930-01-078-2158
NSN 5930-01-443-3096
NSN 7035-01-137-6206
NSN 5915-01-522-5577
NSN 2925-00-242-7688
NSN 5895-01-032-1268
NSN 6685-01-115-6245