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 5935-01-384-3835
NSN 6685-01-257-5731
NSN 6150-01-599-5162
NSN 5835-01-027-0597
NSN 6150-01-064-9337
NSN 6135-01-422-1440
NSN 4140-01-232-0306
NSN 5960-01-170-4057
NSN 6135-01-455-9646
NSN 5915-01-592-0584
NSN 7035-01-158-7673
NSN 6145-01-013-7911