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 5855-01-100-3272
NSN 5910-01-124-0956
NSN 5950-00-278-4186
NSN 6150-01-028-3350
NSN 6620-01-036-6687
NSN 6105-01-495-7000
NSN 6650-01-138-1712
NSN 5999-00-960-7155
NSN 6320-01-466-4175
NSN 5985-01-099-2276
NSN 6110-01-350-3449
NSN 6135-01-062-9356