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 6220-01-607-4046
NSN 5835-00-695-9543
NSN 5930-01-100-2100
NSN 5835-01-084-6997
NSN 5999-01-144-0068
NSN 5905-01-645-5004
NSN 6130-01-244-3467
NSN 5915-01-380-2139
NSN 5965-01-248-3116
NSN 5920-01-475-4098
NSN 6110-01-599-9534
NSN 6320-01-054-3046