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 6135-00-985-7845
NSN 5950-00-674-7230
NSN 5975-01-561-8316
NSN 6110-00-061-9239
NSN 5925-01-350-3646
NSN 5855-01-159-1654
NSN 5960-01-142-1995
NSN 5895-01-618-9783
NSN 5905-01-458-4529
NSN 5990-01-633-9503
NSN 5835-01-524-4731
NSN 5895-01-553-2107