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 6645-01-481-4418
NSN 5999-01-344-8764
NSN 6650-01-010-4204
NSN 5895-00-730-6754
NSN 6610-01-010-4516
NSN 5975-01-010-4887
NSN 5945-00-532-1387
NSN 5965-01-653-6466
NSN 6130-00-607-6069
NSN 5975-00-461-3097
NSN 6105-00-542-7948
NSN 5835-01-189-6095