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 7035-01-375-3719
NSN 5998-01-131-7326
NSN 5935-00-780-5762
NSN 5998-00-034-2113
NSN 6650-01-034-0897
NSN 5925-01-423-7803
NSN 5905-00-311-8573
NSN 2925-01-519-3221
NSN 6240-00-467-7295
NSN 6135-01-510-4663
NSN 6220-01-211-6349
NSN 5930-01-580-2125