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 5895-01-481-6461
NSN 6220-01-134-3097
NSN 6145-01-357-6288
NSN 6130-01-591-6272
NSN 7035-01-004-8819
NSN 5950-01-565-8122
NSN 5930-00-903-6719
NSN 5960-00-551-2633
NSN 7035-00-238-3662
NSN 5915-01-076-2951
NSN 5895-00-453-4985
NSN 6150-00-345-7917