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 7035-00-096-9986
NSN 6105-00-103-9907
NSN 6650-00-207-9639
NSN 5925-00-886-8041
NSN 6220-00-412-2741
NSN 5910-01-222-1624
NSN 5925-00-083-8486
NSN 5835-01-209-6410
NSN 5975-00-671-5328
NSN 4140-01-514-9303
NSN 6685-01-265-0634
NSN 5960-00-237-2436