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 6650-01-073-7594
NSN 6320-00-222-1465
NSN 7035-01-013-9889
NSN 5905-00-093-7990
NSN 5965-01-271-0808
NSN 5910-01-168-6743
NSN 5965-01-419-6624
NSN 5915-00-153-4805
NSN 6130-00-626-0082
NSN 6105-01-383-8681
NSN 6135-01-031-8078
NSN 6620-01-014-7192