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 5905-01-482-6118
NSN 4140-01-113-8886
NSN 5965-01-514-7231
NSN 6150-01-151-6856
NSN 5915-01-021-1646
NSN 6220-01-098-4317
NSN 5895-01-418-0850
NSN 6320-01-118-0553
NSN 5998-00-753-1581
NSN 5975-01-660-3937
NSN 5960-00-959-5226
NSN 5965-01-267-8536