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 5935-01-437-3062
NSN 6130-00-081-2186
NSN 5965-00-116-8982
NSN 5990-01-147-5225
NSN 6105-00-079-6436
NSN 5975-01-444-5624
NSN 5996-00-339-7078
NSN 5895-01-497-5425
NSN 5915-00-145-6181
NSN 6110-00-597-8072
NSN 6135-01-377-5729
NSN 6150-01-420-4005