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 5999-01-102-1732
NSN 5996-01-598-3525
NSN 6150-01-477-1749
NSN 6105-00-149-7956
NSN 5910-00-827-0177
NSN 5960-00-344-9588
NSN 5915-01-372-6505
NSN 6610-01-381-0652
NSN 5915-01-502-3621
NSN 5998-01-421-3003
NSN 2925-01-206-7948
NSN 5998-01-354-2878