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 5935-01-189-3226
NSN 5915-00-847-7890
NSN 6610-00-811-6070
NSN 5835-00-413-4701
NSN 2925-01-590-8691
NSN 5855-01-054-9014
NSN 6610-01-216-9542
NSN 5915-00-888-4379
NSN 5999-01-451-4122
NSN 6130-00-232-5321
NSN 5915-01-229-0313
NSN 4140-00-285-6042