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 6610-00-960-9135
NSN 5895-01-443-6066
NSN 5965-00-226-0209
NSN 6145-00-119-8201
NSN 5985-01-054-2345
NSN 6220-01-512-7392
NSN 6110-01-284-6524
NSN 6145-01-362-2950
NSN 6130-01-021-0759
NSN 5996-01-362-0550
NSN 6220-01-286-6720
NSN 5905-00-952-2149