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 7035-00-392-5417
NSN 6240-01-073-6471
NSN 5855-01-098-9038
NSN 5835-01-014-4574
NSN 6620-01-063-9054
NSN 7035-00-020-2227
NSN 5925-01-133-7246
NSN 5930-01-541-5101
NSN 6110-01-447-2770
NSN 6220-00-964-1042
NSN 6685-01-373-4173
NSN 6610-00-004-0332