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 6220-00-610-9103
NSN 5895-01-260-7165
NSN 5950-01-581-1139
NSN 2925-01-444-6676
NSN 5935-01-469-7265
NSN 6220-01-574-4701
NSN 5998-01-560-6586
NSN 5835-01-177-1092
NSN 5985-01-212-9180
NSN 6240-01-296-7404
NSN 5905-01-539-0315
NSN 6610-00-026-4389