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 5910-01-090-4097
NSN 5945-01-024-9378
NSN 6620-01-152-0936
NSN 6220-00-527-1177
NSN 6320-01-140-6441
NSN 6320-01-253-9585
NSN 5975-00-754-5299
NSN 6685-01-517-8754
NSN 6240-00-183-0570
NSN 6220-01-447-3657
NSN 5905-01-322-4901
NSN 6240-01-500-0850