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 5925-01-651-3059
NSN 6105-01-437-6242
NSN 6685-01-506-0097
NSN 5835-01-553-6772
NSN 6610-01-360-3564
NSN 6135-01-480-8121
NSN 6320-01-439-5264
NSN 6645-00-491-0462
NSN 6150-01-633-1807
NSN 5985-00-415-1269
NSN 6145-01-628-7160
NSN 5985-00-603-8056