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 6240-01-078-9490
NSN 5910-01-562-6861
NSN 5905-01-377-5273
NSN 5975-01-544-4754
NSN 5930-01-386-3068
NSN 5975-00-162-9530
NSN 6620-01-590-3295
NSN 5998-01-396-3983
NSN 5950-01-561-2724
NSN 5996-01-570-4583
NSN 5895-00-371-1644
NSN 5996-00-141-3945