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 6135-00-416-2898
NSN 6150-01-272-2462
NSN 6130-00-239-0230
NSN 7035-01-579-4029
NSN 2925-01-030-6580
NSN 6130-01-258-5565
NSN 6220-01-234-6685
NSN 5910-01-515-0338
NSN 6110-00-157-1699
NSN 5915-00-553-5801
NSN 6650-01-601-8194
NSN 6645-00-825-5677