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 5998-01-421-1800
NSN 5905-01-429-8929
NSN 7035-01-411-6062
NSN 5925-00-542-9637
NSN 6610-01-013-8922
NSN 5999-01-020-5001
NSN 6610-01-504-7622
NSN 5975-01-235-0954
NSN 6645-00-989-2972
NSN 5965-00-339-2743
NSN 5985-01-483-8766
NSN 5935-01-549-8297