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 6650-01-025-8803
NSN 5990-01-328-2385
NSN 6145-01-578-4898
NSN 6110-00-258-8542
NSN 5990-00-734-7285
NSN 5965-00-067-0290
NSN 5920-01-468-8098
NSN 5930-01-501-7233
NSN 5945-01-198-6335
NSN 5935-00-548-5440
NSN 5998-01-365-2463
NSN 5965-01-016-1606