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 6650-01-286-7569
NSN 6135-01-014-9755
NSN 5855-00-151-3853
NSN 5945-00-995-2984
NSN 5965-01-122-7477
NSN 6110-00-078-3393
NSN 5920-01-651-6933
NSN 5915-01-468-4541
NSN 6110-01-207-7219
NSN 6645-00-951-0687
NSN 5945-00-343-7561
NSN 5950-01-534-6924