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 5960-01-337-5339
NSN 5999-01-453-0856
NSN 5996-01-362-4234
NSN 5996-01-623-8237
NSN 5930-01-242-9209
NSN 6135-01-507-4346
NSN 2925-01-026-1000
NSN 2925-01-197-7864
NSN 6645-01-100-3296
NSN 6105-01-321-0936
NSN 5855-00-896-4047
NSN 6150-01-614-5336