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 6145-00-089-6945
NSN 6610-01-340-1761
NSN 6620-01-505-3496
NSN 5950-01-551-1202
NSN 2925-01-197-7864
NSN 6320-01-176-8367
NSN 5905-01-357-8359
NSN 5895-01-142-8096
NSN 2925-01-024-2662
NSN 5985-01-140-0092
NSN 5965-00-139-4870
NSN 5930-00-056-7773