Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13211E4493 found under Curtain Panel E by Cecom Lr Center. The National Stock Number assigned to this part is 4620002450272, and the Federal Supply Class is 4620 Water Distillation Equipment Marine And Industrial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 13211E4493.