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 5905-01-410-7780
NSN 5996-00-086-9352
NSN 5999-00-456-4819
NSN 5990-01-514-8708
NSN 6145-00-050-9919
NSN 6650-00-170-5095
NSN 5996-00-706-9390
NSN 6150-01-174-0039
NSN 5985-01-288-6479
NSN 6105-00-928-5970
NSN 5920-01-350-3163
NSN 5915-01-412-2112