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 6320-00-646-3311
NSN 5930-01-396-9716
NSN 6135-01-066-3469
NSN 6620-01-352-5640
NSN 7035-01-606-5440
NSN 2925-01-633-4048
NSN 5990-01-078-1294
NSN 6220-00-030-6728
NSN 6650-01-656-1969
NSN 7035-00-205-1932
NSN 5990-00-461-5372
NSN 2925-01-054-3190