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 7035-01-123-8723
NSN 6650-01-555-8819
NSN 5996-01-205-3263
NSN 5945-01-432-0276
NSN 6130-00-481-4449
NSN 6150-00-285-2082
NSN 5960-00-088-6527
NSN 6240-01-089-6149
NSN 6610-00-133-7868
NSN 6105-01-571-7371
NSN 6650-01-361-6812
NSN 5950-01-441-0364