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 5996-01-057-1113
NSN 5915-01-063-1336
NSN 2925-01-535-3167
NSN 7035-01-279-7281
NSN 5910-01-143-4938
NSN 6645-01-277-3970
NSN 5996-01-007-2147
NSN 6610-00-151-6690
NSN 2925-01-004-1683
NSN 5915-01-145-9230
NSN 5990-00-288-1820
NSN 5915-00-958-7756