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 5855-00-688-9954
NSN 6145-01-356-9940
NSN 6110-00-520-8442
NSN 5990-00-522-3425
NSN 6320-01-067-0474
NSN 5905-00-788-1430
NSN 6685-00-446-2692
NSN 5990-00-090-3829
NSN 5895-01-500-9931
NSN 6220-01-045-0306
NSN 5985-01-441-9500
NSN 5895-00-494-6877