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 5965-01-434-2489
NSN 4140-01-193-4841
NSN 6620-01-031-8180
NSN 6135-00-998-5884
NSN 6130-01-377-0370
NSN 5925-01-068-0793
NSN 6620-00-347-8938
NSN 5855-01-500-0449
NSN 5945-00-156-4040
NSN 5975-00-682-4391
NSN 6130-01-626-3227
NSN 5996-01-383-7018