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 6130-01-209-9067
NSN 5835-01-172-5884
NSN 5945-01-618-2043
NSN 5960-01-370-4285
NSN 5930-01-369-9011
NSN 6645-00-445-3318
NSN 6130-00-070-5877
NSN 5996-01-462-1631
NSN 5935-00-618-6724
NSN 5965-00-153-5216
NSN 2925-01-463-8856
NSN 5965-00-330-9672