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 5960-01-343-5912
NSN 6650-01-472-6753
NSN 6130-01-408-9397
NSN 5996-01-228-2306
NSN 6685-01-303-2211
NSN 5910-00-683-8276
NSN 5855-01-283-2870
NSN 5905-01-417-2183
NSN 5950-01-216-1050
NSN 5935-00-517-0849
NSN 6240-01-650-2640
NSN 2925-00-617-0826