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 7035-00-763-6180
NSN 6130-01-029-9577
NSN 5920-01-620-3853
NSN 5990-01-411-8548
NSN 5905-00-941-2912
NSN 5935-01-440-5448
NSN 5960-00-949-5722
NSN 5835-01-367-4330
NSN 5895-01-399-0240
NSN 5999-00-751-1188
NSN 5975-00-544-4214
NSN 6240-00-682-3508