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 5985-01-502-6692
NSN 6110-01-409-1030
NSN 6110-01-487-3916
NSN 6620-00-232-2048
NSN 5855-01-225-5855
NSN 6220-00-272-7497
NSN 7035-00-225-6499
NSN 5965-00-300-8055
NSN 5855-00-987-1171
NSN 6650-00-658-9627
NSN 2925-00-388-8932
NSN 6650-00-098-6128