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 5996-00-222-6049
NSN 6135-00-170-8819
NSN 6645-01-370-4259
NSN 5895-01-532-6421
NSN 6105-01-414-9312
NSN 5990-01-633-9503
NSN 5915-01-215-2159
NSN 6685-01-068-4446
NSN 2925-00-891-9289
NSN 5855-01-007-9541
NSN 5996-01-586-5753
NSN 5985-01-155-9716