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 5998-00-227-8504
NSN 6130-00-882-8596
NSN 7035-00-329-4015
NSN 6135-01-616-0696
NSN 6650-01-275-9778
NSN 5835-00-670-1215
NSN 6110-01-338-2724
NSN 5985-00-343-3632
NSN 7035-01-649-0424
NSN 5930-01-074-2681
NSN 6685-01-432-0055
NSN 6645-01-530-3654