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 5945-00-922-8482
NSN 5960-01-076-4708
NSN 6645-01-447-3143
NSN 5855-01-493-6639
NSN 6685-01-480-5850
NSN 6105-00-986-2906
NSN 5910-01-311-1833
NSN 5910-01-562-7849
NSN 5965-00-208-4896
NSN 4140-00-490-2666
NSN 6240-01-414-0077
NSN 5965-01-347-7328