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 6105-01-512-1831
NSN 5950-00-024-9964
NSN 5945-01-398-0785
NSN 6150-00-933-9803
NSN 5960-00-273-3260
NSN 6320-00-242-3300
NSN 6145-00-496-2020
NSN 5925-01-354-4698
NSN 5855-01-018-1247
NSN 5915-01-463-8413
NSN 6610-01-375-1527
NSN 4140-00-550-2994