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 6320-01-123-6814
NSN 5975-00-050-6801
NSN 5910-01-323-5341
NSN 5930-01-173-6884
NSN 6145-01-214-0017
NSN 6220-00-035-6736
NSN 5975-01-492-3407
NSN 5915-01-065-9775
NSN 6685-01-556-4246
NSN 6150-01-381-5320
NSN 6105-01-582-2508
NSN 6220-01-406-5351