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 5905-01-036-1597
NSN 6110-01-004-9870
NSN 6650-01-601-8194
NSN 6320-01-370-4218
NSN 6110-01-255-2874
NSN 7035-01-374-0005
NSN 5990-01-186-8310
NSN 6145-01-200-2176
NSN 6135-01-632-9323
NSN 5965-00-949-4103
NSN 6130-01-513-6734
NSN 5960-01-375-6815