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 6685-01-528-5998
NSN 7035-00-018-0350
NSN 6145-01-576-9609
NSN 5990-01-349-8132
NSN 6145-00-168-1296
NSN 6650-01-407-4653
NSN 6610-01-487-3794
NSN 6135-01-223-3869
NSN 6645-01-598-8118
NSN 6145-01-134-4942
NSN 5960-01-544-1273
NSN 6240-01-133-5950