Dim. 9-3/4 in. L by 7-7/8 in. W by 6-1/2 in. D
A brick having a low thermal conductivity and used as a backing for the more dense refractory brick.
NSN 5990-00-236-8152
NSN 5950-01-336-2364
NSN 6610-01-268-4191
NSN 4140-01-428-9426
NSN 5935-01-573-5345
NSN 6320-00-468-8421
NSN 6220-01-378-4501
NSN 6620-01-184-3193
NSN 5925-01-175-8204
NSN 5996-01-361-8299
NSN 5960-01-444-2205
NSN 6620-00-069-5764