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 5835-00-827-1904
NSN 6150-01-058-8238
NSN 5950-00-648-6714
NSN 6130-01-014-4588
NSN 6150-00-552-2073
NSN 5910-01-216-5214
NSN 5999-01-587-5322
NSN 5935-01-098-8738
NSN 5950-01-418-0266
NSN 5905-01-412-0743
NSN 5975-01-634-0678
NSN 6145-00-081-6686