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 7035-01-656-4132
NSN 6110-01-582-2658
NSN 7035-01-227-2546
NSN 5925-00-654-1687
NSN 5835-01-108-4980
NSN 5965-00-892-3850
NSN 6320-00-725-0754
NSN 6645-01-014-2849
NSN 5930-01-442-4087
NSN 5855-01-366-2429
NSN 5950-00-460-2140
NSN 5910-00-160-4920