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 5925-01-053-6519
NSN 5996-00-199-9303
NSN 5925-01-015-5746
NSN 5855-01-111-3962
NSN 5960-01-010-3083
NSN 6110-01-469-0714
NSN 5999-01-146-3970
NSN 7035-00-188-6674
NSN 5935-00-289-9905
NSN 5998-01-032-0420
NSN 6320-01-029-4220
NSN 2925-01-463-3899