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 6105-00-882-0854
NSN 6645-01-236-6387
NSN 5920-01-354-8926
NSN 5835-01-133-6485
NSN 5998-00-981-5883
NSN 5925-01-025-9612
NSN 6110-01-533-1264
NSN 6620-01-363-8362
NSN 6110-01-564-9079
NSN 5930-01-418-0965
NSN 6320-01-362-9518
NSN 5950-01-659-3553