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 6610-00-547-9649
NSN 6610-01-652-2341
NSN 5996-00-543-1566
NSN 5985-00-205-9568
NSN 6685-00-663-9000
NSN 6685-01-569-7986
NSN 5895-00-278-8092
NSN 5999-01-025-6228
NSN 6645-00-819-5045
NSN 5925-01-634-0664
NSN 5915-01-604-9868
NSN 5999-01-461-8280