Thank you for taking an interest in part number 205 146, that of which is a Curtin Matheson Scientific Inc product listed with description "Test Kit Rheumatoid Factor Detection". In addition to being listed with part number 205 146, this particular offering also has the NSN 6550012460112, 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.