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 2925-00-055-9601
NSN 5945-00-256-5631
NSN 6145-01-148-5448
NSN 6110-01-394-5724
NSN 2925-01-457-5649
NSN 5925-01-622-2761
NSN 7035-01-459-1222
NSN 5965-01-261-5364
NSN 6240-01-293-2600
NSN 2925-00-295-8109
NSN 6105-01-060-6992
NSN 5965-01-411-6801