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 6320-01-033-6624
NSN 7035-00-941-4949
NSN 6150-01-233-8126
NSN 4140-01-252-1005
NSN 5895-00-051-3823
NSN 5895-01-412-9473
NSN 6645-00-022-8691
NSN 2925-00-656-3224
NSN 5930-00-102-0870
NSN 6110-01-298-6847
NSN 5950-01-290-2435
NSN 6105-00-045-7930