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 5945-00-533-2997
NSN 6685-00-812-1160
NSN 6240-01-532-7883
NSN 5930-01-012-1939
NSN 7035-00-153-3826
NSN 5895-01-317-3986
NSN 7035-00-465-3298
NSN 5910-01-629-3309
NSN 5905-00-455-2470
NSN 5920-01-551-1295
NSN 5950-01-295-3378
NSN 5910-01-408-8721