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 5985-00-057-6347
NSN 4140-00-969-9602
NSN 5998-01-217-8744
NSN 5905-01-138-4036
NSN 6220-01-430-0442
NSN 5930-01-627-0122
NSN 5985-01-570-2184
NSN 6650-01-627-0303
NSN 6685-01-136-8963
NSN 4140-00-763-6527
NSN 5835-01-227-2318
NSN 6130-00-519-6192