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 6650-01-151-6450
NSN 5965-01-496-4122
NSN 4140-00-481-3858
NSN 6610-01-363-9745
NSN 6620-01-118-7588
NSN 5855-01-415-3987
NSN 6645-01-408-4576
NSN 5985-01-475-4997
NSN 5930-01-421-6575
NSN 5905-00-280-2747
NSN 6610-01-457-1974
NSN 6110-01-650-1837