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 5935-01-650-3198
NSN 6620-00-210-8406
NSN 6135-01-315-9214
NSN 5985-01-205-8599
NSN 2925-01-471-4912
NSN 5985-01-650-6882
NSN 5945-01-575-0145
NSN 5920-00-840-3570
NSN 6650-00-466-1697
NSN 6685-00-470-8651
NSN 5999-01-023-7997
NSN 5985-00-407-2550