Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL-490-458BLU found under Jack Tip by U S Terminals Inc. The National Stock Number assigned to this part is 5935004930429, 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 SL-490-458BLU.