Thank you for taking an interest in part number 257 725, that of which is a Curtin Matheson Scientific Inc product listed with description "Bacteriological Specimen Collection And Transporta". In addition to being listed with part number 257 725, this particular offering also has the NSN 6550013348869, 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.