At One Click Purchasing, we are your reliable source for the NSN part PB-20420 manufactured by Honeywell Aerospatiale Inc. We carry a wide range of popular NSN items on our website, including Screw Externally Re like part number PB-20420 which is listed with the NSN 5305002081323 for easy identification. If you are interested in PB-20420 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.