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 5905-00-653-9538
NSN 5960-00-935-5030
NSN 5895-01-054-3060
NSN 5985-00-775-2420
NSN 6105-01-557-1219
NSN 5998-01-631-4948
NSN 6240-01-198-7929
NSN 5855-01-213-0783
NSN 6620-01-654-9436
NSN 5855-01-088-4699
NSN 5895-01-227-2651
NSN 5920-01-410-7343