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 5905-00-142-3316
NSN 6145-01-469-0425
NSN 5930-01-634-0659
NSN 7035-01-498-0582
NSN 5945-01-415-5087
NSN 5920-00-068-5139
NSN 5930-00-853-3607
NSN 6610-00-822-0431
NSN 6240-01-235-8281
NSN 5996-01-421-2416
NSN 6610-01-476-9945
NSN 5920-01-232-4839