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 6320-01-541-7585
NSN 5895-01-261-5752
NSN 5930-01-014-4406
NSN 5855-00-294-7532
NSN 5915-01-382-0205
NSN 6620-01-412-7426
NSN 5996-00-933-1590
NSN 5930-01-421-4957
NSN 5920-00-711-1741
NSN 6130-00-842-8562
NSN 5965-01-432-6459
NSN 5960-01-081-3949