N.A.T.O. The defensive military alliance formed in 1949 by ten european countries. WARSAW PACT A military alliance formed in 1955 by the Soviet Union Netherlands. Norway.
Tank Rings. Tank rings filled with gravel lift the tank above the surrounding grade. This keeps the tank out of standing water and increases the life of the tank bottom.
The rating on this tank is either DOT 3AA 1800, or 3A 1800, which means it has a working pressure of 1800 psi. The tanks have a new CGA-580 valve which will allow you to fill the cylinder with argon, argon/CO2 mixes, nitrogen or helium. These gasses are commonly used for MIG and TIG welding.