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 5925-01-173-4740
NSN 5950-01-061-7497
NSN 5905-01-216-2764
NSN 6145-00-834-2676
NSN 7035-01-406-4146
NSN 5935-01-561-0591
NSN 5998-01-576-9581
NSN 2925-01-391-9247
NSN 6220-00-280-2880
NSN 5996-01-547-3452
NSN 6320-00-937-5625
NSN 6105-01-061-9001