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 5910-01-019-0353
NSN 5910-01-241-7731
NSN 6145-01-182-1491
NSN 5935-01-565-6329
NSN 6240-01-096-0573
NSN 5930-01-463-9569
NSN 5960-00-465-4088
NSN 5965-01-029-5222
NSN 5905-01-444-2300
NSN 5835-01-550-5094
NSN 5835-01-529-3050
NSN 5935-01-087-3958