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 5895-01-372-2101
NSN 6105-00-776-9267
NSN 5960-01-489-1510
NSN 7035-01-473-0517
NSN 5950-00-913-7049
NSN 5999-01-166-7489
NSN 6145-00-876-4449
NSN 5905-00-223-0027
NSN 6240-01-372-2039
NSN 5945-01-479-1235
NSN 5996-01-392-3178
NSN 5910-01-170-4002