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 5998-01-521-3872
NSN 5950-00-279-6539
NSN 5999-01-138-7437
NSN 5975-01-534-6892
NSN 5960-01-056-8109
NSN 5895-01-397-2205
NSN 6240-01-437-8991
NSN 5920-00-755-3235
NSN 6620-00-162-9877
NSN 5975-01-026-2427
NSN 5965-01-212-6817
NSN 5935-01-008-0425