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 6320-01-462-2295
NSN 6135-01-204-8712
NSN 6145-01-544-2990
NSN 5996-01-628-2962
NSN 5920-01-226-1400
NSN 6320-01-352-8084
NSN 6135-01-163-0332
NSN 5835-01-143-9143
NSN 5975-01-090-0320
NSN 6645-01-492-0379
NSN 6610-00-133-4508
NSN 6645-00-544-8529