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 5930-01-243-6447
NSN 6110-01-019-4907
NSN 5915-00-482-0926
NSN 6685-01-463-2970
NSN 5925-00-553-9899
NSN 5910-01-042-2512
NSN 5905-01-046-9626
NSN 6320-01-504-3948
NSN 5996-01-173-3202
NSN 5915-00-206-0086
NSN 6320-00-228-5678
NSN 5925-00-556-7923