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 5910-01-149-4882
NSN 5945-01-433-4241
NSN 5975-01-487-5502
NSN 5960-01-480-7629
NSN 5965-01-414-2257
NSN 6135-00-145-8884
NSN 2925-01-159-8312
NSN 5960-01-641-5493
NSN 6610-01-193-2169
NSN 6650-01-132-6860
NSN 5855-01-472-2554
NSN 6220-00-311-4291