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 5996-01-334-3038
NSN 5925-00-231-3660
NSN 5950-01-601-9710
NSN 6110-01-351-4527
NSN 5945-01-308-6223
NSN 6130-01-468-0353
NSN 4140-00-596-4726
NSN 5998-00-322-3417
NSN 5835-01-485-0210
NSN 6610-01-359-9962
NSN 5975-01-406-3027
NSN 7035-00-205-8739