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 5925-00-631-1078
NSN 6610-01-010-3915
NSN 6105-00-834-4798
NSN 6620-01-643-5531
NSN 6240-00-079-1759
NSN 6130-00-790-7301
NSN 2925-00-422-5159
NSN 5855-01-659-0293
NSN 6110-01-341-9819
NSN 6610-01-167-8747
NSN 6320-00-731-6134
NSN 6610-01-464-3037