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 6240-01-023-2013
NSN 5990-01-343-6407
NSN 5998-00-299-7891
NSN 7035-01-135-7783
NSN 5950-01-348-3173
NSN 5895-01-397-1647
NSN 6150-01-008-7001
NSN 5975-01-421-4474
NSN 6220-01-643-4103
NSN 6610-01-083-3826
NSN 5960-00-000-0051
NSN 5950-01-487-3750