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 5996-00-254-2147
NSN 5950-00-174-5767
NSN 5975-00-099-9312
NSN 6610-01-406-4985
NSN 6130-01-568-1417
NSN 6220-00-251-5600
NSN 5905-01-575-1669
NSN 5999-01-048-7755
NSN 6135-01-231-4809
NSN 5925-01-061-6491
NSN 5910-01-022-4305
NSN 5985-01-357-3919