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 4140-00-432-5593
NSN 6150-00-051-9377
NSN 5925-01-435-3434
NSN 5965-00-296-9994
NSN 6240-01-462-6958
NSN 6150-01-648-0965
NSN 5960-01-584-9452
NSN 6645-01-627-8040
NSN 5965-01-093-0642
NSN 7035-00-225-6499
NSN 5905-00-931-2471
NSN 6240-00-624-8440