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 6650-01-365-4286
NSN 6220-01-643-9762
NSN 6135-00-862-5736
NSN 7035-00-145-9138
NSN 5996-01-023-3317
NSN 6650-01-231-2082
NSN 5925-01-119-1103
NSN 6645-01-302-3923
NSN 6130-01-214-0366
NSN 6110-01-547-6355
NSN 5855-00-688-9954
NSN 6105-00-925-9237