291. Government supplies. Federal standard stock catalog: sec. 4, pt. 5, Federal specification for padlocks, amdt. 3; July 8, 1939. Bookmark Corporate/Agency Authors: Federal Standard Stock Catalog Division, Procurement Division, and Treasury Department Publisher: Federal Standard Stock Catalog Division Date: [1939.] SuDoc number: T 51.7/8:FF-P-161a/amdt.3