At One Click Purchasing, we are your reliable source for the NSN part P166 manufactured by Karl Senner Llc. We carry a wide range of popular NSN items on our website, including Spacer Ring like part number P166 which is listed with the NSN 5365013273459 for easy identification. If you are interested in P166 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.