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 6645-01-528-7152
NSN 5998-01-592-6381
NSN 6620-00-104-6937
NSN 6610-01-361-8965
NSN 5835-01-110-0697
NSN 2925-00-719-9611
NSN 4140-01-160-7699
NSN 5950-00-620-5695
NSN 5935-00-247-9707
NSN 6650-01-258-5871
NSN 5905-01-425-2787
NSN 6150-00-054-4685