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 5905-01-519-4267
NSN 5920-01-282-7691
NSN 5925-01-208-5267
NSN 6135-01-575-8362
NSN 4140-01-069-9028
NSN 6135-01-322-4655
NSN 6135-01-447-5083
NSN 6145-01-376-0161
NSN 6220-01-247-4381
NSN 6320-00-593-0379
NSN 5985-00-101-0698
NSN 6650-01-341-5330