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 5975-01-603-5844
NSN 2925-00-111-4097
NSN 6130-01-204-9012
NSN 5999-01-044-4498
NSN 6685-00-067-7817
NSN 5960-00-248-3094
NSN 5905-01-112-2419
NSN 6620-01-458-8074
NSN 5910-00-286-4416
NSN 6110-01-355-9732
NSN 5998-01-298-1071
NSN 6620-01-446-7290