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 6610-00-374-1563
NSN 5998-01-425-1728
NSN 5855-01-369-5037
NSN 5996-01-485-0305
NSN 5996-01-012-3267
NSN 5998-01-091-5653
NSN 6220-01-111-7085
NSN 6650-01-170-4397
NSN 6320-01-364-1840
NSN 6220-00-166-5773
NSN 5905-01-392-9910
NSN 5935-01-139-4403