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 5920-00-473-0563
NSN 6650-01-204-7841
NSN 5835-01-481-4204
NSN 6320-01-317-7312
NSN 6240-01-058-1777
NSN 5996-00-363-9666
NSN 6110-01-382-5790
NSN 6145-01-347-4114
NSN 5950-00-113-2099
NSN 5895-01-267-9473
NSN 6135-01-121-3225
NSN 6220-01-204-1092