A brick manufactured essentially of temperature stable mineral aggregates, formed by pressure into a special 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: Refractory bricks containing more than 50 percent of silica or of a mixture or compound of silica and alumina, except alumina bricks
NSN 6110-01-218-4868
NSN 5996-01-143-2583
NSN 5915-01-450-5877
NSN 6685-01-659-8427
NSN 5920-00-185-5801
NSN 6145-01-025-1372
NSN 6645-01-175-9875
NSN 5835-00-523-0736
NSN 5905-01-389-1117
NSN 5915-01-179-2807
NSN 6320-01-114-6054
NSN 6150-01-433-5165