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 6145-00-681-1585
NSN 5920-01-398-7123
NSN 5905-01-096-1222
NSN 5920-00-168-9138
NSN 5999-00-525-4320
NSN 5895-01-531-4563
NSN 7035-00-020-2227
NSN 6240-01-633-9357
NSN 5935-01-422-2963
NSN 5975-00-978-2531
NSN 5945-01-476-1375
NSN 6130-01-147-8448