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 6320-01-422-1212
NSN 5945-01-406-4352
NSN 6240-00-077-2529
NSN 6650-00-153-3155
NSN 6145-00-104-7789
NSN 5965-01-063-7894
NSN 5999-01-023-7052
NSN 6645-01-467-3182
NSN 5965-01-012-1065
NSN 6130-01-415-1423
NSN 6645-00-309-0447
NSN 6645-01-546-3212