Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KR-1100AAU found under by T N R Technicalinc. The National Stock Number assigned to this part is 6140015299376, 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 KR-1100AAU.