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 5925-01-097-2559
NSN 5999-01-456-3686
NSN 5925-00-356-8007
NSN 5990-01-487-0871
NSN 5960-01-658-9538
NSN 7035-01-106-3476
NSN 6220-00-541-8515
NSN 5998-01-205-2767
NSN 5990-01-442-3520
NSN 6130-01-146-5221
NSN 6320-00-701-0437
NSN 5999-01-440-6522