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 6650-00-224-3223
NSN 6105-01-290-4738
NSN 6685-01-054-3166
NSN 5985-00-509-8644
NSN 5996-01-217-1407
NSN 6105-01-442-4343
NSN 2925-01-507-7877
NSN 5930-01-323-7005
NSN 5910-01-437-1558
NSN 5975-01-322-1682
NSN 5835-01-010-3103
NSN 5990-01-112-5281