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 5999-01-082-4077
NSN 5925-01-477-1673
NSN 5895-00-776-0619
NSN 6220-00-613-6808
NSN 6220-00-922-3714
NSN 5915-01-089-6694
NSN 5895-00-863-4146
NSN 5835-01-463-2334
NSN 6320-01-236-9562
NSN 6135-00-985-7846
NSN 6610-01-481-2644
NSN 2925-01-106-3552