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 2925-00-684-7708
NSN 5910-01-095-1986
NSN 5915-00-621-4389
NSN 5945-01-415-2842
NSN 6150-01-378-6736
NSN 6220-01-394-5263
NSN 6130-00-699-8134
NSN 5930-01-592-2324
NSN 5985-00-312-5556
NSN 5990-00-954-6584
NSN 5835-00-446-2944
NSN 7035-01-556-9060