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 5905-01-592-3223
NSN 5905-01-634-0595
NSN 5910-01-110-5406
NSN 5895-00-354-1614
NSN 5915-01-227-6881
NSN 6150-01-206-4624
NSN 5990-01-230-2827
NSN 5945-01-173-8958
NSN 5960-01-553-4557
NSN 5920-01-078-1323
NSN 5910-01-414-8669
NSN 5975-01-514-7407