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 5999-00-290-5898
NSN 5990-01-578-1499
NSN 5996-01-142-0878
NSN 6685-00-246-5349
NSN 5915-01-568-7032
NSN 6620-01-011-3449
NSN 6110-01-092-6299
NSN 6645-01-386-6311
NSN 5945-01-117-1856
NSN 6650-00-763-5304
NSN 5905-00-065-4767
NSN 6145-01-121-0466