Marked with index line
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 5985-01-355-4731
NSN 5945-01-530-7678
NSN 6135-01-370-9440
NSN 5915-00-230-1822
NSN 5965-01-051-0126
NSN 6130-00-497-8419
NSN 5960-00-594-0824
NSN 6650-01-240-2334
NSN 5965-01-026-9865
NSN 2925-01-363-1805
NSN 5930-01-211-9260
NSN 6320-01-359-3921