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 5835-01-534-3172
NSN 5835-01-303-6563
NSN 6150-01-270-9035
NSN 5999-01-631-2537
NSN 6105-00-373-3780
NSN 6130-01-562-7699
NSN 5985-01-634-0635
NSN 6135-00-223-9563
NSN 5855-01-393-0774
NSN 5999-01-571-2224
NSN 5965-01-468-6186
NSN 5925-01-034-9288