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 5910-00-627-4099
NSN 6620-01-364-2103
NSN 6610-00-821-2635
NSN 5895-01-325-3372
NSN 2925-00-964-7128
NSN 5835-00-393-1996
NSN 7035-00-529-3128
NSN 5925-01-493-9002
NSN 5975-01-647-0380
NSN 6150-01-487-3830
NSN 5920-01-328-2359
NSN 6610-01-518-8344