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 6610-01-476-7412
NSN 5855-01-512-1926
NSN 5925-00-156-4044
NSN 6150-01-634-0575
NSN 5990-01-517-7848
NSN 5915-01-522-5577
NSN 5975-01-151-4789
NSN 6240-01-474-5446
NSN 6220-01-336-0130
NSN 5855-01-003-7102
NSN 6110-01-578-2010
NSN 5930-00-243-9302