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 5895-01-450-5722
NSN 6110-00-521-8932
NSN 6220-00-079-0178
NSN 5910-00-699-6391
NSN 5960-00-822-9519
NSN 5960-01-399-4327
NSN 6110-00-839-2654
NSN 2925-01-243-7736
NSN 5945-01-435-0459
NSN 6610-01-531-6311
NSN 5905-01-459-8151
NSN 5950-00-382-9646