Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SEE-400-6 found under Network Impedance Matching by General Instrument Corp. The National Stock Number assigned to this part is 5915012399742, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SEE-400-6.