Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S 312 found under Battery Nonrecharge by U S Dept Of Veterans Affairs. The National Stock Number assigned to this part is 6135012971615, 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 S 312.