At One Click Purchasing, we are your reliable source for the NSN part 1221I manufactured by Leviton Mfg Co. We carry a wide range of popular NSN items on our website, including Switch Electronic like part number 1221I which is listed with the NSN 5930013635081 for easy identification. If you are interested in 1221I 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.