At One Click Purchasing, we are your reliable source for the NSN part B3870 manufactured by American Hoist And Derrick Co. We carry a wide range of popular NSN items on our website, including Lining Friction like part number B3870 which is listed with the NSN 3950003126623 for easy identification. If you are interested in B3870 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.