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 5990-00-104-4903
NSN 6135-01-442-7275
NSN 5905-01-184-4065
NSN 5945-01-217-8690
NSN 6620-00-001-1398
NSN 6130-01-418-9603
NSN 5996-00-226-5364
NSN 5999-01-336-3001
NSN 6320-01-285-1922
NSN 5835-01-502-9228
NSN 5855-00-079-2370
NSN 6685-01-119-8156