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 6240-01-081-1097
NSN 6135-01-348-4056
NSN 5895-01-541-8507
NSN 5915-01-415-3520
NSN 5855-01-073-7255
NSN 2925-00-228-8854
NSN 6685-01-038-6168
NSN 5915-01-167-1345
NSN 5975-00-332-7221
NSN 5960-01-007-9404
NSN 6145-00-705-6686
NSN 6620-00-494-1428