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 5835-01-123-4526
NSN 5920-01-494-7443
NSN 6320-00-688-9983
NSN 6135-00-170-8819
NSN 6645-01-448-1761
NSN 5855-00-089-3974
NSN 6130-00-681-1496
NSN 6105-01-562-1274
NSN 5975-01-040-7386
NSN 6240-01-499-0666
NSN 5895-01-148-1863
NSN 7035-00-003-7518