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 5965-01-514-7231
NSN 6105-01-474-9044
NSN 5985-00-754-0658
NSN 6130-00-512-4448
NSN 5920-00-493-8307
NSN 6105-01-014-3651
NSN 6150-00-246-3382
NSN 7035-01-249-4547
NSN 5895-00-476-6954
NSN 6645-01-067-4393
NSN 5945-00-908-9906
NSN 4140-01-050-8096