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 2925-00-474-4990
NSN 5975-01-173-0332
NSN 5930-01-463-8744
NSN 6610-01-250-2811
NSN 5965-00-246-5612
NSN 5965-01-050-8447
NSN 6650-01-142-6438
NSN 6645-00-536-1555
NSN 5950-01-240-7966
NSN 6130-01-459-8215
NSN 5925-01-197-8406
NSN 5998-01-381-4655