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 5960-01-512-0233
NSN 5935-01-078-7260
NSN 6220-00-686-5328
NSN 5985-00-028-9697
NSN 2925-01-127-0167
NSN 5910-01-647-5666
NSN 6110-01-307-5269
NSN 5965-00-246-5612
NSN 6620-01-252-9626
NSN 5965-01-449-1101
NSN 6105-01-280-5343
NSN 5910-01-349-5595