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 6110-00-218-0967
NSN 5965-01-614-0029
NSN 6145-01-424-1351
NSN 6685-00-584-7375
NSN 6130-00-306-2083
NSN 5935-00-502-0918
NSN 5945-01-295-3583
NSN 5998-00-242-2761
NSN 5910-00-243-7538
NSN 5945-00-286-8594
NSN 6105-01-421-3598
NSN 5999-00-603-7037