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 5925-00-416-8226
NSN 6105-00-676-7461
NSN 5855-01-455-0254
NSN 6150-01-388-7266
NSN 2925-00-060-8292
NSN 5920-01-008-9339
NSN 5895-01-295-8021
NSN 5985-01-463-3832
NSN 5935-01-535-9189
NSN 5910-01-393-3417
NSN 2925-01-411-4666
NSN 7035-01-186-0024