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 5895-01-334-0861
NSN 6220-00-801-3872
NSN 5945-01-378-2752
NSN 5996-00-546-9486
NSN 5920-00-476-0528
NSN 6130-00-840-8886
NSN 5945-00-079-3461
NSN 5910-00-890-4241
NSN 6110-01-642-3323
NSN 5990-01-581-5103
NSN 6110-01-304-5018
NSN 6145-00-088-0404