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 5998-00-949-6952
NSN 4140-01-462-1336
NSN 5950-01-463-0888
NSN 5935-01-329-2464
NSN 6130-01-601-5008
NSN 4140-00-507-2602
NSN 6610-01-368-8344
NSN 5999-01-090-7471
NSN 6320-00-300-5556
NSN 4140-01-197-8148
NSN 6135-01-423-7502
NSN 5985-00-521-4292