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 5930-00-827-0034
NSN 6685-00-540-9017
NSN 5985-00-897-1692
NSN 5960-01-274-7627
NSN 6320-01-056-1164
NSN 5999-00-762-8738
NSN 5855-00-361-0167
NSN 5945-00-952-2305
NSN 5835-01-141-4975
NSN 5965-00-408-5501
NSN 6610-01-256-7938
NSN 6145-00-097-8178