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 6110-01-223-3768
NSN 5945-01-436-7596
NSN 6135-01-601-8416
NSN 5996-01-512-0800
NSN 6110-00-905-6148
NSN 5945-01-466-6347
NSN 5920-01-199-0083
NSN 6150-00-871-9439
NSN 6650-01-589-1892
NSN 5996-00-540-6570
NSN 5950-01-537-0562
NSN 6650-00-101-0559