Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J537 31 475 found under Battery Storage by Sae International. The National Stock Number assigned to this part is 6140010321326, 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 J537 31 475.