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 5930-00-713-6942
NSN 5915-01-040-8164
NSN 5996-00-008-3266
NSN 5925-00-043-2927
NSN 6130-00-156-7751
NSN 5975-00-738-9066
NSN 5990-01-408-6142
NSN 6145-00-873-4808
NSN 6650-01-089-6192
NSN 6610-00-100-1195
NSN 5960-00-152-9488
NSN 5990-00-488-1091