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 6105-00-865-2746
NSN 5998-01-048-3171
NSN 6650-01-421-4024
NSN 5920-01-257-3472
NSN 4140-01-581-7122
NSN 5925-00-857-4850
NSN 5975-00-224-9154
NSN 5935-01-398-6608
NSN 5945-01-607-7708
NSN 6145-00-089-6945
NSN 5925-01-367-6118
NSN 6220-00-338-1086