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 6145-01-187-7682
NSN 6240-01-633-4456
NSN 5925-01-029-3483
NSN 5965-01-444-1322
NSN 6105-00-893-6470
NSN 5920-00-981-5803
NSN 5895-00-889-8308
NSN 6320-01-449-1014
NSN 5935-01-545-3692
NSN 5996-00-277-7384
NSN 5945-00-648-6237
NSN 2925-01-172-6757