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 5920-01-423-8595
NSN 5895-01-307-1095
NSN 6150-01-523-3281
NSN 5985-01-629-6048
NSN 5950-01-298-8045
NSN 5999-01-250-1242
NSN 5855-01-397-6300
NSN 6645-01-266-6699
NSN 5985-01-513-0488
NSN 6135-00-269-5843
NSN 5998-01-411-5934
NSN 6110-01-487-4039