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 6220-01-302-4410
NSN 6110-00-910-6002
NSN 5925-01-367-1807
NSN 5910-01-446-7833
NSN 5905-01-285-3417
NSN 5935-01-446-3392
NSN 5999-01-473-5053
NSN 6150-01-125-5176
NSN 5999-01-244-0564
NSN 5965-01-524-9852
NSN 5905-01-382-2735
NSN 6650-01-142-1688