Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30 90499 20 found under Cable Special Purpo by Champlain Cable Corp. The National Stock Number assigned to this part is 6145013553720, and the Federal Supply Class is 6145 Wire And Cable Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 30 90499 20.