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 6135-00-777-5562
NSN 5935-01-469-7712
NSN 5950-01-342-8380
NSN 4140-00-671-4532
NSN 5910-01-138-5209
NSN 6240-01-093-0039
NSN 5835-01-447-2544
NSN 6130-00-285-8119
NSN 5998-01-385-9013
NSN 5855-01-444-5248
NSN 5895-01-165-9396
NSN 5975-00-598-0159