Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BB-9001720-02 found under Heater Connector by L3 Communications Corp. The National Stock Number assigned to this part is 5935016690688, 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 BB-9001720-02.