Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4000-4004-522 found under Adapter Battery Terminal by Dcx Chol Enterprises Inc. The National Stock Number assigned to this part is 5940015520538, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4000-4004-522.