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 5960-01-512-0233
NSN 5835-00-289-9080
NSN 5925-01-020-7706
NSN 2925-01-488-5140
NSN 6220-01-050-8706
NSN 5855-01-406-4821
NSN 5920-00-965-7031
NSN 5855-00-127-5559
NSN 5965-01-204-8505
NSN 5915-01-449-0709
NSN 6150-01-137-6611
NSN 5950-01-204-7340