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 6610-01-645-0331
NSN 6135-01-389-7518
NSN 5996-00-425-6307
NSN 6105-01-654-1899
NSN 5835-00-969-1920
NSN 5985-01-481-1827
NSN 6150-01-184-7483
NSN 5990-00-524-2293
NSN 7035-01-366-5912
NSN 5925-01-053-6519
NSN 6150-01-481-4019
NSN 6685-01-648-2179