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 6110-01-388-1723
NSN 5905-01-418-5309
NSN 6650-00-977-7533
NSN 6105-01-487-7484
NSN 5996-01-212-6568
NSN 5990-00-869-2122
NSN 5935-01-123-9934
NSN 6220-00-030-6728
NSN 5895-00-477-7823
NSN 5920-01-250-3473
NSN 5950-01-163-1877
NSN 2925-01-595-4345