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 6685-01-076-4703
NSN 6135-00-100-8890
NSN 6130-00-762-9106
NSN 7035-00-232-4043
NSN 5935-01-532-4396
NSN 5996-00-948-3740
NSN 6240-01-063-0339
NSN 5905-01-569-2318
NSN 6650-00-885-3775
NSN 5975-01-613-0267
NSN 5895-00-091-9154
NSN 6240-01-225-8518