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 6645-00-515-6148
NSN 6685-01-542-8635
NSN 5930-00-156-3700
NSN 6645-01-298-3811
NSN 6105-01-199-1796
NSN 6135-01-487-6275
NSN 5925-00-100-0102
NSN 5999-00-351-6755
NSN 6110-01-301-8543
NSN 6685-00-824-7910
NSN 5935-01-514-3431
NSN 5895-01-537-7514