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 6610-00-176-5486
NSN 5998-00-095-6539
NSN 5999-01-437-8843
NSN 6645-01-514-7901
NSN 6650-01-409-1992
NSN 5975-01-381-2763
NSN 6620-01-656-1896
NSN 6685-01-032-5591
NSN 6240-01-347-0072
NSN 6135-00-450-3528
NSN 5990-00-241-3780
NSN 5945-01-025-7529