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 6320-00-213-0477
NSN 5945-00-391-7259
NSN 5905-01-189-7821
NSN 5960-01-044-3798
NSN 5960-01-507-9112
NSN 5965-00-144-2543
NSN 5920-00-496-8006
NSN 6685-01-516-8701
NSN 6685-01-411-6579
NSN 6645-01-062-0905
NSN 5855-00-221-9435
NSN 5985-00-529-0093