Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C551-12132 found under Insulator Block Ass by Saft America Inc. The National Stock Number assigned to this part is 6140000090723, and the Federal Supply Class is 6140 Batteries Rechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C551-12132.