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 5950-01-323-6906
NSN 5895-01-658-5239
NSN 5990-01-040-1320
NSN 4140-01-606-9953
NSN 7035-01-026-1171
NSN 6145-00-467-0569
NSN 5855-01-409-1792
NSN 6135-01-392-8344
NSN 6650-00-458-7586
NSN 5855-01-100-3272
NSN 6685-01-243-0302
NSN 5920-01-180-5440