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 6220-01-310-7166
NSN 5920-01-069-3433
NSN 2925-01-043-9786
NSN 5930-00-918-7112
NSN 6220-01-138-8532
NSN 6620-00-475-9985
NSN 6145-01-398-5093
NSN 6650-01-290-1029
NSN 6650-01-540-4402
NSN 7035-01-057-6325
NSN 5950-01-130-5140
NSN 6620-01-648-1594