Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JCG638 found under Grinding Machine Tool And Cutter by Jet Equipment And Tools Inc. The National Stock Number assigned to this part is 3415012283941, and the Federal Supply Class is 3415 Grinding Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JCG638.