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 5945-00-956-0159
NSN 5895-00-222-5043
NSN 5996-01-260-2993
NSN 5998-00-754-8666
NSN 5835-01-501-0526
NSN 6220-01-557-4584
NSN 6645-01-384-0628
NSN 5930-01-594-9313
NSN 5960-00-058-2509
NSN 6610-00-456-0485
NSN 5996-00-073-2659
NSN 2925-01-478-8191