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 6110-00-137-9544
NSN 5920-01-446-4524
NSN 6130-00-195-3214
NSN 5910-01-163-7768
NSN 6645-01-386-6311
NSN 6240-00-755-1432
NSN 6620-01-226-8639
NSN 5985-01-449-1356
NSN 6105-01-123-8887
NSN 5905-00-288-0428
NSN 5985-00-285-8466
NSN 6650-00-629-8027