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 5855-00-149-0766
NSN 6110-01-337-5018
NSN 6645-01-020-4557
NSN 5925-01-360-5605
NSN 5895-01-124-0171
NSN 6145-00-497-1578
NSN 6650-01-168-1659
NSN 6685-01-418-8753
NSN 6220-01-153-1937
NSN 6135-00-567-1322
NSN 5855-01-308-0955
NSN 5915-00-206-0086