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 5945-00-015-7942
NSN 6130-01-634-0603
NSN 6685-01-434-1148
NSN 6145-01-075-4996
NSN 5950-01-421-4138
NSN 6645-01-184-9142
NSN 5945-01-239-0119
NSN 5920-00-216-8665
NSN 5930-00-186-9252
NSN 2925-01-295-9337
NSN 5996-01-587-8948
NSN 5950-00-597-8644