Heat treated
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 5910-01-031-7129
NSN 5996-00-724-4944
NSN 6650-00-419-4863
NSN 7035-00-117-0418
NSN 5915-01-600-3319
NSN 5835-01-504-0837
NSN 5930-00-470-3592
NSN 5960-01-560-8461
NSN 5920-00-547-1051
NSN 5985-01-544-3801
NSN 5835-00-136-2322
NSN 6645-00-181-1877