At One Click Purchasing, we are your reliable source for the NSN part A500-227 manufactured by Avionics Specialist Inc. We carry a wide range of popular NSN items on our website, including O Ring like part number A500-227 which is listed with the NSN 5331008091053 for easy identification. If you are interested in A500-227 item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.