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 5905-00-554-4325
NSN 6130-01-550-2757
NSN 5965-00-175-8972
NSN 5895-00-398-0029
NSN 5965-01-262-3513
NSN 5915-00-195-4236
NSN 6150-01-485-1183
NSN 6650-00-224-3223
NSN 4140-01-025-4911
NSN 5985-00-170-6768
NSN 5935-01-268-1354
NSN 5990-01-421-3325