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 5895-00-264-2047
NSN 6650-00-164-7480
NSN 6105-00-001-1712
NSN 5985-01-212-5451
NSN 5985-00-447-1729
NSN 6150-00-867-8797
NSN 2925-00-964-7128
NSN 5835-01-391-4556
NSN 5996-01-044-6958
NSN 5950-01-422-0467
NSN 5950-01-268-2952
NSN 5999-00-249-6824