-. Feature : National Stock Number: 5340-01-566-7405 / Three all-metal wheel construction. / Twenty man-hours of resistance to expert manipulation. / Built in thermal protection provided by an integral thermal relock component / The lock case uses S&G's "Magic Module" footprint for ease of retrofit on existing containers -. Label : Sargent and Greenleaf -. Manufacturer : Sargent and Greenleaf -. ProductGroup : Home Improvement -. ProductTypeName : SECURITY_ELECTRONICS -. Publisher : Sargent and Greenleaf -. Studio : Sargent and Greenleaf -. Title : Sargent & Greenleaf 2937 Group 1 Mechanical Safe Lock