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 5920-00-598-0469
NSN 6145-00-216-6613
NSN 5996-01-512-7678
NSN 5930-01-520-3408
NSN 6145-00-411-0813
NSN 5835-01-406-7633
NSN 5950-01-408-9767
NSN 6650-00-689-8270
NSN 6320-00-882-7061
NSN 6110-01-528-2948
NSN 6620-01-534-8677
NSN 2925-01-185-9144