Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 56319 (AMERICAN METALWARE found under Well Hot Food Storage Electric by Bayonne Stainless Products Inc. The National Stock Number assigned to this part is 7310012061081, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 56319 (AMERICAN METALWARE.