Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 500113-S found under Battery Assembly by Koehler Mfg Co. The National Stock Number assigned to this part is 6140012587022, 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 500113-S.