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 5895-00-596-8678
NSN 6135-00-728-9860
NSN 5925-01-593-5431
NSN 6220-00-264-9473
NSN 5895-00-637-2658
NSN 5985-01-589-0521
NSN 6145-00-407-5676
NSN 5930-01-189-4409
NSN 5965-01-423-8543
NSN 5945-01-391-6289
NSN 5996-01-426-8531
NSN 6135-01-039-2882