Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SOLDER ALLOY 3037 found under Solder Bismuth Lead Alloy by R And D Metals And Chemicals Inc. The National Stock Number assigned to this part is 3439002398506, and the Federal Supply Class is 3439 Miscellaneous Welding Soldering And Brazing Supplies And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SOLDER ALLOY 3037.