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 6240-00-146-9322
NSN 5998-01-310-3178
NSN 5895-01-272-7256
NSN 5935-01-628-0999
NSN 5905-00-316-0546
NSN 6240-00-269-9477
NSN 6105-01-424-4207
NSN 5895-01-557-5370
NSN 7035-01-391-7470
NSN 6650-01-552-5243
NSN 5998-00-906-0442
NSN 5996-00-692-6679