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 6135-00-087-5300
NSN 6110-01-258-7147
NSN 5895-01-101-0388
NSN 5925-01-139-0882
NSN 5985-01-188-7903
NSN 6150-00-737-5761
NSN 5910-01-253-0219
NSN 6320-01-578-6006
NSN 6320-00-886-9771
NSN 5999-00-374-8869
NSN 5935-01-065-0014
NSN 5960-01-553-4557