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 5915-01-568-8947
NSN 5965-01-088-5414
NSN 4140-01-424-7985
NSN 5925-00-016-3050
NSN 5945-00-493-6485
NSN 5905-00-841-0057
NSN 5960-01-381-8475
NSN 5905-01-247-7733
NSN 6320-01-465-2028
NSN 6145-01-204-7021
NSN 5960-00-536-1535
NSN 6145-01-148-2752