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 6220-01-593-5083
NSN 5985-01-430-0439
NSN 5835-01-307-8954
NSN 6650-01-608-8010
NSN 5960-00-794-7463
NSN 6105-01-628-1176
NSN 5925-01-197-6627
NSN 5985-01-479-6232
NSN 5945-01-486-2180
NSN 7035-01-080-8742
NSN 6220-00-225-8345
NSN 6320-01-564-0893