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 5950-01-046-2114
NSN 5990-00-153-0055
NSN 7035-01-628-5662
NSN 6685-00-843-2211
NSN 6135-01-300-6481
NSN 5855-01-351-6277
NSN 5920-01-423-0805
NSN 5925-01-381-5199
NSN 5935-00-207-5796
NSN 5915-01-403-2599
NSN 6320-01-089-9086
NSN 2925-00-652-7383