Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TFC-0020ALF21-30PN-1001 found under by Topflite Manufacturing Inc. The National Stock Number assigned to this part is 5935016788925, 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 TFC-0020ALF21-30PN-1001.