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 5835-01-323-2581
NSN 6240-01-304-4741
NSN 6145-00-023-9688
NSN 5945-01-221-2327
NSN 6110-00-948-3204
NSN 5996-00-240-3224
NSN 6105-01-323-4695
NSN 5925-01-195-8068
NSN 6145-01-407-2476
NSN 5985-01-512-8982
NSN 5975-01-457-7941
NSN 5925-00-492-6228