Thank you for taking an interest in part number 3213K 488 GPIB CCC CHF CMC RMK, that of which is a California Instruments Corp product listed with description "Amplifier Audio Fre". In addition to being listed with part number 3213K 488 GPIB CCC CHF CMC RMK, this particular offering also has the NSN 5996013290721, further allowing you to ensure that you only procure the exact aerospace parts you require for your operations. If you would like to begin procurement for your desired NSN parts or simply want to know more about this listing, be sure to fill out and submit the RFQ form provided below with as much information as possible.