Heat treated
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 6685-00-089-5412
NSN 6110-01-254-0016
NSN 7035-01-078-0155
NSN 6150-01-040-7739
NSN 6220-01-389-8933
NSN 6645-00-935-7046
NSN 5835-00-089-0588
NSN 5945-00-822-9618
NSN 6150-00-542-6066
NSN 5920-00-443-4653
NSN 6110-00-636-1234
NSN 6650-01-376-5934