At One Click Purchasing, we are your reliable source for the NSN part PB19973 manufactured by Honeywell Aerospatiale Inc. We carry a wide range of popular NSN items on our website, including Spacer Sleeve like part number PB19973 which is listed with the NSN 5365004435054 for easy identification. If you are interested in PB19973 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.