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 5905-00-786-7788
NSN 5905-01-519-9021
NSN 5950-01-366-6879
NSN 6150-00-943-8767
NSN 5855-01-577-0892
NSN 6110-01-354-2885
NSN 6145-00-233-6010
NSN 5930-00-921-1160
NSN 6610-01-328-8098
NSN 2925-01-587-3956
NSN 5998-01-522-9628
NSN 5905-01-447-3399