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 5905-01-416-5167
NSN 6110-01-241-0537
NSN 5996-01-338-0555
NSN 6105-01-024-1719
NSN 5985-01-227-5748
NSN 5905-01-406-4005
NSN 6320-01-036-2598
NSN 5945-00-375-8361
NSN 6145-01-458-6443
NSN 5920-01-541-9171
NSN 6620-01-082-2483
NSN 6645-00-720-3953