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 5960-01-416-6187
NSN 5925-01-118-2484
NSN 5998-00-258-1130
NSN 5975-00-959-8304
NSN 6135-00-686-4777
NSN 6130-00-618-7467
NSN 5905-01-065-6897
NSN 5855-00-444-2298
NSN 5930-01-519-3801
NSN 6650-00-131-0812
NSN 5990-00-309-0023
NSN 5996-01-181-7057