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 6610-00-572-8786
NSN 5965-01-629-9131
NSN 6610-00-167-6772
NSN 5835-01-284-5689
NSN 5920-01-119-1896
NSN 6145-01-139-0139
NSN 5915-01-440-8250
NSN 6240-00-132-4011
NSN 5998-01-470-8792
NSN 2925-00-519-0766
NSN 6685-01-358-4130
NSN 6685-00-221-4435