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 5920-01-012-4823
NSN 5965-01-498-1974
NSN 6645-01-212-6457
NSN 6645-00-796-7206
NSN 6150-01-442-6205
NSN 6685-01-294-9118
NSN 6145-00-135-1436
NSN 5960-01-467-7516
NSN 5915-00-482-2899
NSN 5925-01-386-3178
NSN 4140-01-547-5589
NSN 5895-00-227-1002