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 5905-01-025-1329
NSN 5999-01-349-2787
NSN 5855-01-050-0861
NSN 6145-00-076-9324
NSN 6145-00-259-1622
NSN 2925-01-127-0167
NSN 6320-01-506-9439
NSN 5996-00-900-8177
NSN 5935-00-992-2280
NSN 5910-01-539-4069
NSN 5935-01-453-1138
NSN 5920-00-237-7375