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 5915-01-618-9431
NSN 6130-01-514-7733
NSN 5835-00-794-7500
NSN 6135-01-255-9129
NSN 5935-01-542-1194
NSN 6220-00-304-7358
NSN 7035-01-138-3698
NSN 5975-01-496-2819
NSN 5990-00-582-0342
NSN 2925-01-631-2372
NSN 5910-00-156-7293
NSN 5990-01-257-2476