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 5975-00-489-1413
NSN 7035-01-421-2398
NSN 5930-01-567-4286
NSN 6240-00-416-6140
NSN 2925-01-271-8727
NSN 5990-00-247-0975
NSN 6150-01-634-0575
NSN 6110-01-127-7264
NSN 5950-00-522-4048
NSN 5915-01-517-0374
NSN 6610-01-512-2025
NSN 6145-01-515-9871