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 6240-01-555-5980
NSN 5935-00-204-9909
NSN 5930-00-526-3590
NSN 5945-01-479-6331
NSN 6685-01-142-1969
NSN 5998-00-105-5160
NSN 5910-01-574-2807
NSN 5975-01-414-4620
NSN 5930-01-237-4254
NSN 7035-01-028-4966
NSN 6135-00-377-9165
NSN 6105-01-529-1382