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 6320-01-283-1300
NSN 5990-01-425-2175
NSN 4140-00-128-8072
NSN 6135-00-635-9187
NSN 5925-00-236-5657
NSN 6620-00-955-6122
NSN 5985-01-576-2339
NSN 6320-01-015-9856
NSN 5990-01-088-5293
NSN 4140-00-895-3417
NSN 6620-00-923-5137
NSN 6610-00-753-2281