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 6320-01-243-2276
NSN 5975-01-480-6332
NSN 6610-01-367-1640
NSN 6650-01-240-1235
NSN 5905-01-522-3660
NSN 6610-00-202-5481
NSN 5920-00-821-0078
NSN 7035-00-142-9076
NSN 5950-01-243-0835
NSN 5855-00-832-9341
NSN 5965-01-500-1840
NSN 6240-01-282-7094