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 6620-00-292-7000
NSN 7035-01-260-0804
NSN 5905-00-428-7106
NSN 6650-00-809-1817
NSN 5855-01-149-4110
NSN 5950-00-943-0239
NSN 5985-00-133-0485
NSN 5910-01-035-9527
NSN 5975-01-310-9440
NSN 5965-01-468-7706
NSN 7035-01-522-5597
NSN 6150-01-310-7840