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 5905-00-559-0607
NSN 6645-01-308-5729
NSN 6130-00-234-3754
NSN 5996-01-153-2359
NSN 5950-01-188-6934
NSN 5996-01-464-4276
NSN 5999-00-345-8680
NSN 5999-01-562-8757
NSN 6650-00-975-6498
NSN 6620-01-016-8264
NSN 4140-01-504-9512
NSN 6220-01-240-5573