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 5895-00-759-6541
NSN 6610-01-017-9063
NSN 5965-01-381-2998
NSN 5998-01-305-9748
NSN 5935-01-648-2696
NSN 6685-00-389-7935
NSN 4140-01-283-5585
NSN 6610-01-417-3011
NSN 6145-01-104-4677
NSN 5998-01-348-8114
NSN 6145-01-480-8920
NSN 5990-01-471-7858