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 6105-00-388-6572
NSN 6620-01-453-6037
NSN 5925-01-257-3017
NSN 6650-00-738-5418
NSN 5945-01-461-6711
NSN 5996-01-362-1229
NSN 6645-01-383-8139
NSN 5996-01-441-1594
NSN 5998-00-577-0003
NSN 5950-01-427-3723
NSN 5905-01-332-1006
NSN 5915-01-542-9037