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 5999-01-186-2382
NSN 5975-01-388-1415
NSN 5965-01-406-4164
NSN 6145-01-054-3874
NSN 6145-00-496-2020
NSN 6220-01-623-0649
NSN 5999-00-272-2175
NSN 6240-01-550-2744
NSN 5996-01-030-1387
NSN 5965-01-225-7974
NSN 5910-01-071-6641
NSN 7035-01-099-6772