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 6320-00-164-4087
NSN 6320-00-731-6134
NSN 5835-00-059-5854
NSN 6685-01-093-9778
NSN 6240-01-021-9280
NSN 6110-01-268-1723
NSN 5999-00-168-9398
NSN 5905-01-418-6332
NSN 6220-01-432-1800
NSN 6130-01-487-6161
NSN 6145-01-466-3138
NSN 7035-00-834-2090