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 6220-00-536-1266
NSN 5925-01-033-9086
NSN 5960-00-314-0991
NSN 5965-01-364-7275
NSN 5920-01-308-2490
NSN 2925-01-625-6841
NSN 6320-00-098-2858
NSN 5960-01-101-9029
NSN 6320-00-583-3104
NSN 5985-01-428-9394
NSN 5990-01-463-2279
NSN 4140-01-553-0552