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 5915-00-868-6427
NSN 6320-00-823-2015
NSN 5935-01-237-1356
NSN 5910-01-415-8798
NSN 6645-01-445-7999
NSN 6150-01-073-2315
NSN 5975-01-571-2189
NSN 5905-00-826-3015
NSN 5985-01-489-7056
NSN 6240-01-416-8399
NSN 5905-00-144-0495
NSN 5975-01-124-4590