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 6645-00-225-2742
NSN 6645-00-767-6307
NSN 6150-01-023-7710
NSN 6130-00-139-2914
NSN 6610-01-093-4710
NSN 5950-01-544-3631
NSN 5920-01-243-4377
NSN 5925-00-806-7493
NSN 5965-00-710-5764
NSN 6220-00-764-6063
NSN 6145-00-581-1622
NSN 5930-00-855-6763