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 6610-01-089-1018
NSN 6110-01-368-3483
NSN 5990-01-128-3758
NSN 5920-00-515-3617
NSN 5915-01-309-8643
NSN 5915-00-364-3650
NSN 6220-00-127-0837
NSN 6650-01-100-3185
NSN 6685-00-009-9363
NSN 6650-01-330-4113
NSN 5920-01-539-8067
NSN 6135-01-641-4356