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 7035-01-576-8156
NSN 5855-00-455-6070
NSN 5855-01-338-1718
NSN 6150-00-937-8246
NSN 6685-01-025-1587
NSN 5910-00-376-9768
NSN 2925-00-802-7483
NSN 5915-01-384-4859
NSN 5935-01-232-3480
NSN 6220-01-293-2627
NSN 5998-01-599-2180
NSN 5990-00-937-7893