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 5835-00-912-5656
NSN 5920-01-596-7324
NSN 6145-01-643-7807
NSN 5990-01-164-0220
NSN 5950-00-930-1304
NSN 5905-00-533-1112
NSN 5915-00-099-0347
NSN 7035-01-413-6697
NSN 5965-01-367-6483
NSN 6240-00-144-4693
NSN 5975-00-978-9078
NSN 5935-01-108-4883