No other part numbers with same form, fit, and function found.
A brick, more than 2 inches (50.8mm) thick, manufactured essentially of temperature stable mineral aggregates, formed by pressure into a straight 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, hight temperature.
Classification: Refractory bricks containing more than 50 percent of silica or of a mixture or compound of silica and alumina, except alumina bricks
NSN 5998-00-691-6070
NSN 5930-01-541-0022
NSN 6220-01-622-3615
NSN 6610-01-204-9146
NSN 6220-01-272-3177
NSN 6650-00-462-2558
NSN 5950-00-889-5567
NSN 5915-01-377-5881
NSN 6150-01-477-9994
NSN 5996-01-445-1359
NSN 6685-00-593-4574
NSN 4140-00-182-1454