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 6150-00-816-3467
NSN 5895-00-222-5043
NSN 6685-01-409-2748
NSN 5950-01-166-5713
NSN 5999-00-935-3361
NSN 5990-00-554-0366
NSN 6620-00-155-2608
NSN 5855-01-537-8783
NSN 5945-01-142-7700
NSN 5915-01-170-4308
NSN 6150-00-701-3433
NSN 5985-01-191-0898