Heat treated
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 5910-01-267-1322
NSN 5910-01-205-2824
NSN 5999-01-609-7950
NSN 5930-01-238-0718
NSN 6130-00-233-6076
NSN 5975-01-629-9690
NSN 5960-01-476-5686
NSN 2925-01-111-2927
NSN 5945-01-571-8594
NSN 6150-01-178-4776
NSN 2925-01-149-2865
NSN 7035-01-598-8962