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 6130-01-293-8681
NSN 5855-01-544-9778
NSN 5930-00-127-0119
NSN 5905-00-141-0742
NSN 5965-00-289-6280
NSN 5915-01-130-2092
NSN 4140-01-471-7193
NSN 6645-00-334-6767
NSN 6130-01-400-6123
NSN 2925-01-476-3224
NSN 2925-01-285-7163
NSN 5930-01-366-3663