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 6135-00-900-2139
NSN 6610-01-164-2227
NSN 6645-01-607-5999
NSN 6135-01-353-3802
NSN 6135-01-304-6423
NSN 6620-01-642-7219
NSN 5920-00-306-4872
NSN 5950-01-573-5081
NSN 5990-01-097-4721
NSN 5835-01-447-2544
NSN 6685-00-248-9125
NSN 6105-01-295-1773