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 6135-01-400-2947
NSN 5925-01-533-6627
NSN 7035-01-570-4815
NSN 5855-01-353-3958
NSN 6145-01-406-9377
NSN 5855-01-041-3432
NSN 6610-01-492-9888
NSN 5930-00-917-5593
NSN 6650-01-406-5322
NSN 6130-01-096-5265
NSN 5925-01-029-3483
NSN 5985-01-296-6266