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 6650-01-642-9995
NSN 5905-01-444-2300
NSN 6620-01-100-3181
NSN 6610-01-167-8747
NSN 5998-01-504-8584
NSN 5930-01-335-0379
NSN 4140-01-501-2944
NSN 6620-01-619-3980
NSN 6135-00-299-6918
NSN 5996-01-590-5109
NSN 5835-01-020-5650
NSN 5999-01-066-8392