1. Federal standard stock catalog: sec. 4, pt. 5, Federal specification. CC-N-641. Motors, alternating-current, integral-horsepower, amdt. 2; Oct. 29, 1949. Bookmark Corporate/Agency Authors: Federal Supply Bureau and General Services Administration Publisher: Federal Supply Bureau Date: [1949.] SuDoc number: T 56.10/3:CC-N-641/amdt.2