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 6685-01-113-8787
NSN 4140-01-400-3610
NSN 5935-01-534-6572
NSN 5935-01-268-3396
NSN 4140-01-512-9399
NSN 7035-00-185-8683
NSN 5930-01-384-4954
NSN 6320-01-578-6006
NSN 6320-00-456-0836
NSN 4140-01-422-2618
NSN 5960-00-525-1898
NSN 5935-00-106-8941