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 6645-01-193-4118
NSN 6220-01-478-4006
NSN 5950-00-004-7597
NSN 6110-00-021-6696
NSN 6620-00-112-1214
NSN 5915-00-450-0100
NSN 6135-01-465-2681
NSN 5965-01-085-6158
NSN 5985-00-448-3001
NSN 6145-00-926-6458
NSN 5920-01-418-0863
NSN 5999-00-107-4722