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 6320-00-456-0836
NSN 5835-01-524-2742
NSN 5910-01-227-6855
NSN 5915-01-051-8494
NSN 5935-00-129-3211
NSN 5950-00-530-7273
NSN 5990-01-612-5323
NSN 5895-01-003-6980
NSN 5935-00-816-1380
NSN 2925-01-014-0118
NSN 5910-01-328-8943
NSN 6650-00-751-9958