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 6145-01-469-3745
NSN 6150-01-487-6823
NSN 2925-00-157-1602
NSN 6240-01-555-8365
NSN 5920-01-159-0096
NSN 6610-01-047-0684
NSN 6105-01-193-6485
NSN 5915-00-612-7461
NSN 5910-01-484-7984
NSN 6685-01-594-6298
NSN 6650-01-610-8853
NSN 7035-01-358-8361