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 5935-00-238-8934
NSN 5990-01-318-3238
NSN 6610-01-232-4802
NSN 6645-01-337-8292
NSN 6650-00-853-3575
NSN 5965-01-468-1904
NSN 5985-01-272-5080
NSN 6130-01-321-7487
NSN 5905-00-557-2031
NSN 5996-01-012-5716
NSN 6220-00-081-6429
NSN 5945-00-511-9589