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 6320-01-466-4175
NSN 5990-01-262-4068
NSN 6650-01-263-5412
NSN 6320-01-449-1014
NSN 5960-01-254-0647
NSN 6620-01-212-4298
NSN 6620-01-032-3937
NSN 5925-01-571-5799
NSN 6650-00-738-5418
NSN 5895-01-634-0630
NSN 5985-01-513-9930
NSN 5998-00-284-3804