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 6135-01-529-8523
NSN 7035-01-144-6408
NSN 6130-01-541-4375
NSN 6150-01-068-1362
NSN 6220-00-069-5239
NSN 6620-00-139-6498
NSN 5950-00-481-5567
NSN 5855-01-496-6638
NSN 6320-01-495-0512
NSN 5960-01-297-5855
NSN 7035-01-617-0072
NSN 5930-01-444-1835