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 5915-01-124-3505
NSN 6620-01-446-6571
NSN 6130-00-660-8848
NSN 5920-01-442-3395
NSN 4140-01-376-0986
NSN 5855-01-634-0259
NSN 6320-01-476-7702
NSN 5945-01-602-7409
NSN 2925-00-215-4954
NSN 5910-00-261-7324
NSN 6320-00-731-6134
NSN 5925-01-607-7422