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 5905-00-553-9288
NSN 5920-00-226-7148
NSN 5835-01-370-4292
NSN 5915-01-623-1067
NSN 6150-01-014-1810
NSN 5920-01-501-9228
NSN 5910-01-229-6905
NSN 5998-00-955-0634
NSN 6150-00-222-0963
NSN 6135-01-260-1100
NSN 6685-00-758-0724
NSN 6150-01-507-9803