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 5965-00-150-1144
NSN 6610-01-024-1459
NSN 6110-01-221-9473
NSN 6320-01-064-0372
NSN 5996-01-085-9491
NSN 6135-01-612-9488
NSN 5835-01-584-8538
NSN 5960-01-203-3619
NSN 5835-00-005-7909
NSN 5895-01-469-0005
NSN 5935-00-923-8794
NSN 5895-01-204-8819