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 6135-00-883-9024
NSN 5998-01-525-6275
NSN 6130-01-523-7783
NSN 5930-01-135-3743
NSN 6620-01-328-7059
NSN 6320-00-882-7061
NSN 5855-01-490-2749
NSN 6610-01-350-4894
NSN 6130-01-422-1397
NSN 5996-00-735-3839
NSN 5960-00-900-3508
NSN 5965-00-971-5522