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 6110-00-589-3134
NSN 5975-01-182-3282
NSN 5975-01-384-1456
NSN 5975-01-444-9262
NSN 5965-01-171-9796
NSN 5996-00-693-9568
NSN 5990-00-754-5253
NSN 6130-01-171-4102
NSN 6110-01-497-8051
NSN 5915-00-368-4564
NSN 6220-01-389-6264
NSN 5935-01-374-9073