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 6240-00-332-2084
NSN 6650-00-152-8738
NSN 5855-01-383-8339
NSN 6150-01-372-1025
NSN 6145-00-382-6199
NSN 5960-01-578-5537
NSN 6650-00-583-1735
NSN 2925-00-679-8131
NSN 5996-01-271-0857
NSN 5950-01-507-3732
NSN 5985-00-165-2273
NSN 5925-01-085-9944