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 5905-01-386-6488
NSN 6220-01-077-6886
NSN 6105-00-281-8185
NSN 5950-01-176-1590
NSN 6150-01-410-8566
NSN 5855-01-634-0259
NSN 6240-00-408-9545
NSN 5915-01-352-5871
NSN 7035-00-155-9513
NSN 6110-01-383-3391
NSN 6145-01-396-0060
NSN 5835-00-327-6192