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 5975-00-456-0627
NSN 5915-01-414-8607
NSN 5990-01-186-8310
NSN 5905-01-071-7103
NSN 5945-01-219-1965
NSN 6320-00-790-4844
NSN 6610-01-431-8575
NSN 5915-01-272-8933
NSN 6145-01-599-9856
NSN 5985-01-035-0463
NSN 5996-01-586-5753
NSN 5975-01-600-3914