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 5965-01-534-9961
NSN 5960-01-142-1995
NSN 6105-00-432-0771
NSN 6110-00-824-5764
NSN 5920-01-123-9854
NSN 5998-01-093-5473
NSN 6610-01-097-3259
NSN 6320-01-585-8468
NSN 6135-01-456-7541
NSN 5905-00-528-9975
NSN 6150-01-215-1529
NSN 5990-01-628-8188