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 5990-01-115-5859
NSN 7035-01-314-7559
NSN 5935-01-288-3250
NSN 5920-00-056-8293
NSN 5960-00-967-7026
NSN 6610-01-400-3880
NSN 6220-00-287-9939
NSN 5925-01-541-5465
NSN 6610-00-872-0454
NSN 6645-00-574-9712
NSN 6135-00-455-2425
NSN 6220-00-602-7756