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 5915-00-451-6097
NSN 5985-01-634-0321
NSN 6650-00-555-1061
NSN 5960-00-421-1054
NSN 5950-00-476-8234
NSN 5985-01-101-1980
NSN 5998-01-127-0567
NSN 5985-01-383-0960
NSN 5960-00-090-2991
NSN 6130-01-415-4492
NSN 6240-01-487-6459
NSN 6240-00-194-7924