Description Overview Inventory number: E-3986 Four tanks for sale Tank 1 5 ft tall National board # 2342 Alloy: SA240T-304 Serial # 021666A Year 1966 Sheet thickness: 0.1875 in Head thickness: 0.1875 in Rad heads: 42 in 5 psi at 300 degrees fahrenheit max operating pressure 300 degrees fahrenheit at 50 psi max operating temperature Tank 2 4 ft tall x 42 in inside diameter National board # 2323 Alloy: SA240T-304 Serial # 020966C Year 1966 Sheet thickness: 0.120 in Head thickness: 0.1875 in Rad head: 36 in Tank 3 4 ft tall x 38 in inside diameter Seat ring: 9 in 0.0 National board # 2341 Alloy: SA240T-304 Serial # 021666 Year 1966 Sheet thickness: 0.120 in Head thickness: 0.1875 in Rad head: 26 in Tank 4 4 ft tall National board # 2346 Alloy: SA240T-304 Serial # 021866 Year 1966 Sheet thickness: 0.120 in Head thickness: 0.250 in Rad head: 26 in