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 4140-00-404-7092
NSN 6685-01-158-4667
NSN 6145-01-482-1679
NSN 6105-00-272-2661
NSN 5915-01-238-1120
NSN 6650-00-256-9059
NSN 5920-00-102-8713
NSN 6220-01-025-0482
NSN 5999-00-988-1180
NSN 5985-01-367-7167
NSN 6150-01-348-8225
NSN 6135-00-309-0074