Od of glass to be coated with a platinum alloy and tinned to permit a glass to metal seal with soft solder
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 5895-01-205-2047
NSN 5905-00-350-8355
NSN 6110-00-822-2917
NSN 6320-01-359-3921
NSN 5975-01-549-7716
NSN 6110-01-632-1140
NSN 6650-01-225-7284
NSN 6110-01-342-5206
NSN 6150-01-101-5183
NSN 5990-00-660-8885
NSN 6135-01-633-8502
NSN 6110-00-114-0868