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 2925-00-441-8252
NSN 6685-01-322-4323
NSN 5990-00-238-3333
NSN 4140-01-575-3270
NSN 2925-01-213-6622
NSN 6320-00-186-6452
NSN 5925-01-113-7793
NSN 6220-01-408-9129
NSN 6130-00-443-6963
NSN 5965-01-633-8849
NSN 5920-00-585-0104
NSN 5915-00-553-8755