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 5945-01-158-8229
NSN 7035-00-055-9778
NSN 6650-01-399-4731
NSN 6135-01-322-4655
NSN 6110-01-020-8153
NSN 6135-01-204-8712
NSN 5998-00-105-3343
NSN 5910-00-593-8502
NSN 5910-01-055-5620
NSN 6320-01-029-4220
NSN 5905-01-223-4078
NSN 5905-01-534-4955