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 6110-01-417-8928
NSN 5999-01-306-7506
NSN 5965-00-318-6479
NSN 6110-01-105-2971
NSN 7035-01-290-7174
NSN 6320-01-195-5583
NSN 6645-01-492-9823
NSN 6620-00-155-2608
NSN 6645-00-729-9900
NSN 4140-00-541-9077
NSN 5960-00-771-2824
NSN 6650-00-769-3003