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 6685-01-011-9086
NSN 7035-00-076-4097
NSN 6105-01-542-4117
NSN 5950-01-289-3054
NSN 5835-01-167-1824
NSN 5950-01-369-1838
NSN 5925-01-414-6866
NSN 6645-01-030-8930
NSN 5999-01-130-5499
NSN 5915-00-142-6912
NSN 5920-00-584-4592
NSN 5855-01-643-9626