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 7035-01-459-8268
NSN 6150-00-180-5380
NSN 5998-01-590-5021
NSN 6685-01-371-8261
NSN 6320-01-441-2438
NSN 6650-01-192-5515
NSN 6150-00-982-2785
NSN 2925-00-608-0856
NSN 5975-00-231-0773
NSN 5855-01-149-4110
NSN 5930-00-538-6123
NSN 5965-01-332-1931