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 6685-01-315-1337
NSN 5935-00-985-2020
NSN 5998-01-634-0604
NSN 5960-01-567-1096
NSN 5855-01-323-5394
NSN 5999-00-834-5520
NSN 5895-01-399-6226
NSN 2925-00-759-5465
NSN 6130-01-101-4385
NSN 6645-00-505-6026
NSN 5855-01-561-2677
NSN 5950-00-421-1102