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 7035-01-525-7673
NSN 6130-01-561-2414
NSN 5985-01-485-0456
NSN 5998-00-925-2992
NSN 5996-01-647-6124
NSN 6105-01-591-6694
NSN 6105-01-650-8083
NSN 6105-01-219-4471
NSN 5998-01-241-6049
NSN 5975-00-019-8993
NSN 5999-01-397-2176
NSN 5996-00-925-1953