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 5935-00-763-3481
NSN 5990-00-679-6157
NSN 5990-01-093-8328
NSN 5945-00-639-9848
NSN 5945-01-627-2988
NSN 6620-01-567-7456
NSN 2925-00-660-8131
NSN 5945-00-204-9949
NSN 6320-01-549-7201
NSN 6240-01-137-1279
NSN 5996-01-347-4656
NSN 6145-00-104-7789