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 5920-01-367-2542
NSN 5835-00-113-6090
NSN 5905-01-478-2178
NSN 5975-00-693-2531
NSN 6645-00-276-7544
NSN 5930-01-328-8510
NSN 5999-01-200-6642
NSN 5999-01-634-0576
NSN 5925-00-222-6199
NSN 6135-00-377-9165
NSN 6110-01-527-6912
NSN 6645-00-383-7783