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 6135-01-187-4382
NSN 6685-01-580-1630
NSN 5925-00-035-8469
NSN 6240-01-212-2850
NSN 6150-00-831-5366
NSN 5930-01-430-2510
NSN 6650-01-589-3585
NSN 2925-00-152-1825
NSN 5920-00-005-4604
NSN 5920-01-461-2810
NSN 6135-00-840-6451
NSN 5935-01-574-0978