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 4140-01-590-7161
NSN 5920-01-387-9972
NSN 5990-01-188-7309
NSN 5999-00-772-5707
NSN 5920-01-037-1505
NSN 6620-01-651-5425
NSN 6685-01-561-9328
NSN 5945-01-090-0610
NSN 5960-01-628-2760
NSN 5950-00-455-0735
NSN 5998-01-502-8879
NSN 5960-01-286-3766