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 5996-00-179-3804
NSN 6135-01-532-0775
NSN 6105-01-076-9357
NSN 5910-01-480-1822
NSN 6610-00-851-8727
NSN 6150-00-990-6233
NSN 5999-01-593-2211
NSN 6620-01-444-4048
NSN 6685-01-383-6522
NSN 5975-01-138-5223
NSN 5945-00-117-8980
NSN 5910-01-525-7733