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 5950-00-518-2162
NSN 5835-01-624-5666
NSN 6645-01-517-6960
NSN 5990-01-544-4360
NSN 6220-01-273-0934
NSN 5998-01-076-6926
NSN 6240-00-919-5977
NSN 5985-01-056-4055
NSN 5895-00-466-3100
NSN 2925-01-041-1173
NSN 6320-00-149-7570
NSN 5915-00-820-2768