Heat treated
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6135-00-377-9165
NSN 5965-01-495-6455
NSN 5920-00-011-4995
NSN 7035-01-003-9142
NSN 5998-01-535-6208
NSN 6220-01-418-6050
NSN 6135-01-041-3829
NSN 2925-01-197-7864
NSN 6320-00-405-2348
NSN 5925-00-691-2434
NSN 6650-01-485-6505
NSN 5999-01-524-7755