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 5925-01-395-7600
NSN 5975-00-877-6957
NSN 6650-01-341-1670
NSN 5855-01-391-7077
NSN 5950-00-471-9810
NSN 6650-01-441-7790
NSN 5945-00-147-0617
NSN 5855-01-306-3809
NSN 4140-01-256-0910
NSN 5910-01-600-0199
NSN 5996-01-602-5655
NSN 5985-01-567-1066