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 5910-01-033-6073
NSN 6240-01-069-2688
NSN 6220-01-171-4738
NSN 6620-01-246-4314
NSN 6685-00-394-8788
NSN 6610-00-717-6666
NSN 5965-01-541-9336
NSN 6220-01-487-3904
NSN 5925-01-142-7775
NSN 5920-00-946-9147
NSN 5915-00-839-0031
NSN 5945-01-143-0158