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 6105-00-328-0793
NSN 6320-00-823-2015
NSN 5925-01-445-6112
NSN 6645-01-067-4081
NSN 5910-00-276-8592
NSN 5835-00-251-9138
NSN 6105-00-442-3452
NSN 5855-01-241-1054
NSN 5920-01-651-7259
NSN 5920-00-938-8696
NSN 5855-01-426-4307
NSN 5905-00-770-6699