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 5999-01-371-3000
NSN 5965-01-092-2698
NSN 5985-01-529-6488
NSN 5915-01-218-3106
NSN 5905-01-359-0301
NSN 5910-01-212-0094
NSN 7035-01-374-0005
NSN 6685-01-313-2744
NSN 6620-01-621-0719
NSN 5835-01-659-1364
NSN 6320-00-731-6134
NSN 5998-00-594-5824