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 5835-00-222-3956
NSN 2925-00-878-2196
NSN 5855-00-327-2112
NSN 5950-01-012-1906
NSN 5950-01-329-6268
NSN 6240-01-114-1926
NSN 5999-00-933-8432
NSN 6105-00-947-2561
NSN 6645-01-406-0688
NSN 6145-00-412-1292
NSN 6645-01-252-9659
NSN 5960-00-109-2806