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 5930-01-399-7471
NSN 6150-01-542-6459
NSN 5925-01-381-0614
NSN 5905-01-598-3009
NSN 6110-01-200-0997
NSN 6645-01-437-9017
NSN 6110-01-249-5058
NSN 5915-01-305-1237
NSN 6220-00-527-1177
NSN 5996-00-987-9080
NSN 5998-00-013-9334
NSN 5965-00-289-6280