At One Click Purchasing, we are your reliable source for the NSN part 400D manufactured by Tempilstik Corp. We carry a wide range of popular NSN items on our website, including Temperature Sticks Phase Change like part number 400D which is listed with the NSN 6685012803702 for easy identification. If you are interested in 400D 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.