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 6105-01-559-6370
NSN 5950-01-499-5298
NSN 6105-00-704-9277
NSN 7035-00-173-2281
NSN 6130-01-441-4175
NSN 4140-01-658-5999
NSN 5925-00-234-0211
NSN 5935-01-163-2718
NSN 5975-01-459-8112
NSN 5920-00-008-8465
NSN 5910-01-215-0562
NSN 4140-00-928-9097