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 6610-00-075-8147
NSN 5990-01-517-1909
NSN 6130-01-160-5099
NSN 5985-01-661-1958
NSN 5925-01-577-2556
NSN 5965-01-546-7604
NSN 5950-01-094-8129
NSN 6105-01-512-7032
NSN 6105-01-068-5092
NSN 5895-01-504-9003
NSN 6220-01-103-2502
NSN 6150-01-067-9145