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 5998-01-170-5147
NSN 6105-01-359-9146
NSN 6220-01-604-8283
NSN 5999-00-199-4423
NSN 6130-01-394-8580
NSN 5925-01-422-0431
NSN 6130-00-256-7934
NSN 5925-00-369-7747
NSN 5895-01-090-4245
NSN 5930-01-207-5153
NSN 2925-00-491-3549
NSN 6620-01-232-0680