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 6105-00-089-3235
NSN 6130-00-402-9898
NSN 6240-01-028-0341
NSN 5895-00-698-1650
NSN 5910-00-347-5211
NSN 5925-01-650-7666
NSN 5945-01-082-6306
NSN 5985-01-381-1169
NSN 5855-01-020-7982
NSN 5998-00-202-6279
NSN 6240-01-206-4809
NSN 5905-01-339-3499