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 6620-01-524-9112
NSN 5999-01-235-0850
NSN 5965-00-849-1313
NSN 6645-01-168-8465
NSN 5835-01-459-6729
NSN 5910-01-392-1798
NSN 6150-00-069-5099
NSN 6240-01-014-5598
NSN 5910-01-309-4788
NSN 6130-01-512-4054
NSN 5895-00-823-9473
NSN 6220-00-975-5903