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 5965-01-528-4531
NSN 5950-00-661-2612
NSN 6685-01-648-2179
NSN 5950-00-223-1832
NSN 6145-01-347-5991
NSN 6220-01-354-7598
NSN 6320-00-433-2773
NSN 6105-00-145-2607
NSN 5975-00-456-2257
NSN 2925-01-026-1000
NSN 2925-01-556-0333
NSN 5996-00-525-1777