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 5950-01-237-2431
NSN 6645-00-279-1777
NSN 6150-01-370-4863
NSN 5910-01-381-7365
NSN 5895-00-607-8403
NSN 2925-00-767-4245
NSN 5930-01-383-2885
NSN 5950-00-728-9342
NSN 7035-01-098-5474
NSN 5960-00-561-1249
NSN 2925-00-816-8765
NSN 6650-01-301-3959