Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40-688-380 found under Battery Storage by Imtech Marine Usa Inc. The National Stock Number assigned to this part is 6140013986918, 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 40-688-380.