Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WK6-21C3-8 found under Connector Plug Elec by Pei Genesis Inc. The National Stock Number assigned to this part is 5935006661434, 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 WK6-21C3-8.