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 5855-01-417-3250
NSN 6650-00-143-1889
NSN 5855-01-147-6024
NSN 4140-00-936-9189
NSN 5985-00-823-6302
NSN 5915-00-300-3853
NSN 6645-00-467-6094
NSN 5910-01-220-3191
NSN 5920-01-386-4195
NSN 2925-01-027-1293
NSN 5920-01-373-6841
NSN 6145-01-187-3526