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 6145-01-259-6439
NSN 5835-01-123-8305
NSN 6220-00-498-1090
NSN 5950-01-081-4591
NSN 6145-00-971-2431
NSN 6645-01-172-6838
NSN 5999-00-738-6504
NSN 5895-00-079-1314
NSN 6240-01-465-9045
NSN 6130-01-487-3255
NSN 5990-01-133-0351
NSN 6130-01-027-0762