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 6645-01-605-1485
NSN 6685-00-888-3303
NSN 6220-01-412-7650
NSN 5996-00-751-9701
NSN 5950-01-030-9710
NSN 5996-01-652-6778
NSN 5895-01-582-9754
NSN 5960-01-406-4136
NSN 6320-00-841-2279
NSN 5915-01-394-6438
NSN 6110-00-632-6078
NSN 5960-00-766-6042