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 5950-00-286-3301
NSN 5935-00-186-9370
NSN 6105-01-329-1024
NSN 6645-01-160-7707
NSN 5920-01-146-6196
NSN 6685-01-421-4403
NSN 6135-01-576-9616
NSN 6150-01-234-1575
NSN 5835-01-615-4766
NSN 5960-01-182-3676
NSN 5960-01-543-0235
NSN 5990-00-049-8887