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 6105-01-423-0985
NSN 5895-01-087-0565
NSN 6610-00-924-7447
NSN 5985-01-038-5496
NSN 6610-01-141-7014
NSN 5910-00-115-0670
NSN 5996-01-601-5949
NSN 5905-01-516-8733
NSN 6220-00-611-8036
NSN 5950-01-485-0246
NSN 5985-01-167-8785
NSN 6150-00-102-7881