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 6645-01-479-0804
NSN 5960-00-633-7670
NSN 5855-00-089-3974
NSN 5998-01-310-6346
NSN 7035-01-351-4111
NSN 7035-00-703-3535
NSN 5920-01-162-6172
NSN 5965-01-182-5768
NSN 6685-01-551-0542
NSN 5945-00-885-1023
NSN 6220-01-416-6324
NSN 5999-00-827-3964