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 6130-00-959-5800
NSN 5930-01-372-0972
NSN 5975-01-189-1842
NSN 5996-01-218-5213
NSN 6240-01-361-9167
NSN 5990-01-357-6175
NSN 7035-00-205-1932
NSN 4140-01-462-7737
NSN 5998-01-460-5644
NSN 5998-00-955-5901
NSN 5910-01-315-6613
NSN 5996-01-512-2878