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 5999-01-396-5464
NSN 6320-01-198-4024
NSN 6150-01-203-3302
NSN 6240-01-449-1387
NSN 6150-00-553-7948
NSN 5998-00-620-2593
NSN 5990-01-212-2037
NSN 5930-01-501-4395
NSN 5855-00-138-2386
NSN 5895-00-529-7547
NSN 5985-01-590-3665
NSN 6650-00-738-5418