Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1050SIZED found under Battery Nonrechargeable by Union Carbide Corp. The National Stock Number assigned to this part is 6135000273914, and the Federal Supply Class is 6135 Batteries Nonrechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1050SIZED.