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 5945-01-516-0753
NSN 5950-01-127-2818
NSN 6620-01-032-3937
NSN 5985-00-719-9944
NSN 4140-01-241-3697
NSN 5945-01-547-8996
NSN 5915-00-503-9016
NSN 6685-01-508-2060
NSN 5855-01-642-6323
NSN 6610-01-422-2376
NSN 5925-00-913-9784
NSN 6130-01-338-3707