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 6610-00-322-6127
NSN 6610-00-405-0513
NSN 5855-01-059-2710
NSN 6685-01-022-6096
NSN 5855-01-362-7066
NSN 4140-01-243-0269
NSN 5930-01-569-6026
NSN 5950-00-063-8501
NSN 5915-01-012-1854
NSN 6650-01-048-1468
NSN 5905-00-177-7833
NSN 6645-00-933-2170