The mechanical combination lock listed here for the protection of weapons and ammunition in GSA approved weapons containers, armory vault doors, and field safes is available from
DLA Land and Maritime.
To order, you must use DLA's procurement website
https://www.FedMall.mil which replaces DoD EMALL for purchasing the products DLA sells.
Additional DLA FedMall information can be found at this link.
You can also call the DLA Contact Center at (877) 352-2255 for procurement information.