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 5930-01-205-0489
NSN 5925-00-617-2994
NSN 6610-01-052-0803
NSN 6135-00-295-2614
NSN 5835-01-286-3600
NSN 5895-00-783-6388
NSN 5998-01-480-7622
NSN 5985-01-419-6178
NSN 6150-00-226-1868
NSN 6110-01-328-8292
NSN 5945-01-248-9431
NSN 6240-00-226-0462