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 5920-00-594-3124
NSN 5925-01-392-0881
NSN 5835-01-431-6877
NSN 5960-01-410-8177
NSN 5935-00-477-1320
NSN 5990-01-516-9665
NSN 5950-01-166-1790
NSN 6650-00-494-8671
NSN 5998-01-363-6574
NSN 5915-01-076-0406
NSN 6145-00-213-9181
NSN 5910-00-956-9149