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 5855-00-869-3635
NSN 5935-01-026-8106
NSN 6150-01-100-3908
NSN 6645-00-433-6027
NSN 6240-00-854-1962
NSN 5950-00-419-3531
NSN 6220-01-372-4094
NSN 5920-00-900-9255
NSN 5996-01-453-0411
NSN 5965-01-130-8511
NSN 6320-00-139-1090
NSN 5855-00-138-2386