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 5895-01-605-6217
NSN 5915-01-467-0735
NSN 6145-01-472-2228
NSN 5935-01-048-1188
NSN 5990-01-595-8895
NSN 5990-01-609-4793
NSN 6645-01-350-3138
NSN 5960-01-282-2386
NSN 5950-01-583-6563
NSN 5945-01-014-6010
NSN 6685-01-137-8517
NSN 5905-01-411-8554