Seller: army-surplus-sales (6,733) 100%, Location: Fresno, California, Ships to: US, Item: 160750575939 Dowell Plug, NSN 7105-00-935-0433. Also called a Nipple Plug. This goes on the end of the cot and the cross bar plugs onto it. Each cot uses 4 of these. The Buy it Now price is $2.00 each and you can buy as many as you want. About 20 will fit into a small flat rate box. Let me invoice you if you want more than one so I can adjust the shipping amount. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.