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 5905-00-439-0431
NSN 6650-01-514-7809
NSN 5998-01-448-9999
NSN 6135-01-497-3114
NSN 6610-01-431-8575
NSN 5835-00-617-3578
NSN 6320-01-216-1678
NSN 6220-01-530-8293
NSN 5965-00-444-6544
NSN 6135-01-434-1790
NSN 5855-01-516-8047
NSN 5965-01-391-9507