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 5950-01-145-5331
NSN 5910-00-250-0690
NSN 5990-01-246-2488
NSN 6150-00-432-3311
NSN 2925-00-925-0545
NSN 6145-01-357-6288
NSN 7035-00-252-7467
NSN 5905-01-266-1311
NSN 6650-00-641-6139
NSN 5960-01-331-1076
NSN 7035-00-295-0451
NSN 5945-01-415-3654