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 5925-00-290-4451
NSN 5975-01-433-3096
NSN 6150-00-628-2800
NSN 2925-00-992-7904
NSN 5905-01-634-0595
NSN 6110-01-566-5414
NSN 6105-01-044-5907
NSN 2925-00-607-4663
NSN 6320-01-067-0474
NSN 5910-00-495-0100
NSN 5996-00-973-3604
NSN 7035-01-127-9019