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 6320-00-110-8005
NSN 5975-01-333-5386
NSN 5960-01-437-7422
NSN 6135-01-297-5565
NSN 5835-01-531-0379
NSN 4140-01-370-1309
NSN 5855-01-604-9997
NSN 6220-01-116-2411
NSN 5905-00-394-1528
NSN 5960-00-054-3946
NSN 6135-01-487-6275
NSN 6650-01-030-5545