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 5975-01-333-6536
NSN 5965-01-150-3400
NSN 5905-01-152-4023
NSN 5920-01-206-3977
NSN 6105-01-483-1506
NSN 5935-00-181-4464
NSN 5930-01-376-9494
NSN 6150-01-554-3658
NSN 5960-01-089-8155
NSN 6135-00-782-6988
NSN 5996-01-343-2962
NSN 2925-00-163-9016