Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PP2156CWLR1 found under Power Supply by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6120000518344, and the Federal Supply Class is 6120 Transformers Distribution And Power Station. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PP2156CWLR1.