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 5920-01-032-4756
NSN 6110-01-514-0035
NSN 5910-00-355-4786
NSN 5895-01-435-0877
NSN 5998-01-135-1530
NSN 5855-00-014-5008
NSN 4140-01-548-6541
NSN 6110-01-363-4787
NSN 5920-01-515-0183
NSN 6610-01-598-4955
NSN 5960-01-531-9108
NSN 5975-00-883-4888