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 5999-01-465-1261
NSN 6645-01-461-9250
NSN 5895-00-965-8983
NSN 6650-01-649-8144
NSN 5996-00-925-1953
NSN 6145-00-842-9981
NSN 6620-01-381-6225
NSN 6110-01-176-8802
NSN 5905-01-432-4226
NSN 5905-01-423-1013
NSN 6320-01-067-0474
NSN 5855-00-688-9954