Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SE90A12W3 3 4 found under Cover Electrical Connector by Joslyn Products. The National Stock Number assigned to this part is 5935010977323, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SE90A12W3 3 4.