Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS-4-TC-1A found under Locomotive Diesel E by Cecom Lr Center. The National Stock Number assigned to this part is 2210011582978, and the Federal Supply Class is 2210 Locomotives. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RS-4-TC-1A.