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 6620-01-614-3591
NSN 6620-01-307-4037
NSN 6650-00-105-8063
NSN 6610-01-373-3626
NSN 5895-01-085-5471
NSN 6135-00-900-2139
NSN 4140-01-463-9023
NSN 5855-00-189-6066
NSN 6130-01-125-2567
NSN 6645-01-602-7342
NSN 5905-01-438-4821
NSN 5910-01-013-8313