Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CR2 BATTERY found under Battery Set by Milkor Usa Inc. The National Stock Number assigned to this part is 6135016839586, 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 CR2 BATTERY.