At One Click Purchasing, we are your reliable source for the NSN part 497550-273 manufactured by Spd Electrical Systems Inc. We carry a wide range of popular NSN items on our website, including Fitting Lubrication like part number 497550-273 which is listed with the NSN 4730001720028 for easy identification. If you are interested in 497550-273 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.