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 7035-00-104-7613
NSN 6650-00-107-1667
NSN 5996-01-009-6445
NSN 5835-01-236-6514
NSN 6130-01-181-5475
NSN 4140-01-576-4014
NSN 5950-01-154-4770
NSN 5905-01-367-6105
NSN 6650-01-629-9480
NSN 4140-00-888-9836
NSN 6650-01-254-6540
NSN 5910-01-428-5909