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 6650-00-573-7131
NSN 2925-01-225-0713
NSN 6105-01-607-4306
NSN 6650-01-168-8451
NSN 5965-01-170-5705
NSN 6320-01-582-6668
NSN 5905-01-431-9703
NSN 5925-01-451-5805
NSN 5910-01-488-4934
NSN 4140-01-189-2589
NSN 6150-00-528-4175
NSN 5990-01-357-6175