Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4LMS-11-2 found under by National Railway Supply I Llc. The National Stock Number assigned to this part is 6140014866166, 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 4LMS-11-2.