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 6650-01-626-5370
NSN 5945-00-753-9730
NSN 5990-01-127-4853
NSN 6135-00-889-1485
NSN 6620-00-553-4672
NSN 6650-00-283-0978
NSN 7035-01-227-2546
NSN 6110-01-276-0985
NSN 6220-01-443-9315
NSN 5930-01-485-8399
NSN 6685-01-200-2658
NSN 5999-00-726-0098