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 6645-01-219-5911
NSN 5910-00-097-9546
NSN 6685-01-590-9375
NSN 6135-01-498-2233
NSN 5915-00-436-2299
NSN 6135-01-516-8171
NSN 6105-00-123-3018
NSN 5925-00-290-4451
NSN 6105-01-149-1485
NSN 6105-01-566-4851
NSN 5945-01-199-4431
NSN 5910-00-105-5469