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 5910-01-418-0480
NSN 5925-01-430-5306
NSN 6150-00-865-5270
NSN 5905-01-203-0204
NSN 5835-01-209-6410
NSN 4140-01-634-0330
NSN 5996-00-907-8632
NSN 6135-01-408-9244
NSN 5925-00-629-1974
NSN 5990-00-606-8299
NSN 6130-01-108-8803
NSN 5855-00-987-1171