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 5895-00-368-9243
NSN 5945-01-580-6831
NSN 5999-01-064-5745
NSN 5925-01-288-0025
NSN 5895-01-294-2014
NSN 5925-00-150-1072
NSN 6320-01-514-6141
NSN 5950-01-026-8620
NSN 5990-01-326-2677
NSN 6610-01-566-4500
NSN 2925-00-155-8091
NSN 5990-00-161-2797