Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NP-45S found under Batterystorage by B And H Foto And Electronics Corp. The National Stock Number assigned to this part is 6140016741457, 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 NP-45S.