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 5996-00-997-3852
NSN 6320-01-029-4220
NSN 6240-01-200-6864
NSN 5945-00-935-6922
NSN 6135-01-386-5709
NSN 6135-01-215-1245
NSN 6620-00-221-5576
NSN 6645-01-267-5505
NSN 6220-01-023-3179
NSN 6610-01-423-0250
NSN 6610-00-419-3154
NSN 5990-01-472-2447