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 5920-01-382-9379
NSN 6610-01-261-6102
NSN 6105-01-653-5697
NSN 6610-00-822-0431
NSN 5990-01-164-8673
NSN 5910-01-064-2364
NSN 6145-01-253-5969
NSN 5925-01-119-2007
NSN 2925-01-236-3547
NSN 6110-00-679-8961
NSN 5975-01-460-8554
NSN 6610-01-415-0061