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 5905-01-467-2816
NSN 5930-01-146-4324
NSN 5996-01-142-9639
NSN 6685-01-334-0746
NSN 5835-01-303-6563
NSN 5965-00-170-5254
NSN 5920-01-048-7462
NSN 6220-01-586-6322
NSN 6645-01-562-1351
NSN 7035-01-149-7502
NSN 5920-01-500-2150
NSN 6240-00-163-5143