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 6130-00-139-9232
NSN 5990-01-498-0641
NSN 5999-00-900-8812
NSN 6620-01-043-6424
NSN 5965-01-461-4480
NSN 6130-00-833-2412
NSN 5985-01-546-6970
NSN 6105-01-278-9220
NSN 5855-00-014-5008
NSN 6130-01-339-6249
NSN 6650-01-562-0096
NSN 5960-00-007-0872