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 6620-01-600-7483
NSN 5950-01-490-7760
NSN 6620-00-270-3275
NSN 5935-01-208-6964
NSN 6685-00-977-6456
NSN 5965-01-352-1951
NSN 6135-01-518-9813
NSN 6105-01-414-7824
NSN 5920-01-240-7400
NSN 5930-01-344-1354
NSN 6320-01-056-1164
NSN 6645-00-204-4100