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 5985-01-462-0144
NSN 5945-01-594-7192
NSN 5945-01-010-4718
NSN 6105-01-558-0905
NSN 5985-00-809-5851
NSN 7035-00-155-9513
NSN 6135-01-297-5565
NSN 6150-01-200-9855
NSN 6685-01-497-1072
NSN 5925-00-162-2799
NSN 6620-00-766-3974
NSN 5920-00-060-1118