Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8521489 found under Connector Body Plug by Honeywell Aerospace. The National Stock Number assigned to this part is 5935014556778, 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 8521489.