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 5915-00-189-1323
NSN 5930-00-248-6608
NSN 6135-01-247-5660
NSN 5960-01-228-1215
NSN 6610-01-359-5515
NSN 6130-00-196-2802
NSN 6240-01-466-2680
NSN 5855-00-221-9435
NSN 6240-01-162-9086
NSN 6650-01-584-6438
NSN 5998-00-203-1232
NSN 6240-01-598-5733