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 5835-01-384-3206
NSN 6645-00-935-7046
NSN 6220-00-594-0025
NSN 5985-01-300-0821
NSN 5835-00-085-2287
NSN 5905-01-353-0284
NSN 6685-01-572-9570
NSN 6150-00-038-5009
NSN 6130-01-310-8404
NSN 5895-00-422-3308
NSN 5935-00-675-6098
NSN 6110-01-446-1804