A brick manufactured essentially of temperature stable mineral aggregates, formed by pressure into an arch shape. It is suitable for constructing industrial and boiler furnaces. Resistance to temperature is the prime characteristic, but resistance to one or more of the destructive actions of spalling, abrasion, slag attack, or load is usually required. Excludes brick, insulating, high temperature.
Classification: Blocks, tiles and similar refractory ceramic goods, of clay, nesoi (not siliceous, not over 50 percent magnes, calcium a/o chrome or alum na and/or si
NSN 5915-01-589-0171
NSN 6685-01-249-9231
NSN 6650-00-499-7446
NSN 5895-01-124-8579
NSN 5998-01-204-6460
NSN 6620-00-236-7148
NSN 5925-00-185-4020
NSN 6620-00-193-9503
NSN 2925-00-432-3410
NSN 5930-01-312-4416
NSN 5905-00-686-7667
NSN 6220-01-261-8103