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 7035-01-282-7124
NSN 6610-00-402-6856
NSN 6110-00-459-4217
NSN 2925-01-087-4184
NSN 6150-01-085-4364
NSN 5975-01-550-7244
NSN 6240-01-304-0129
NSN 5990-01-211-6136
NSN 7035-01-532-8077
NSN 5920-00-519-9722
NSN 6150-01-583-6516
NSN 5960-00-682-4996