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 5975-01-020-7869
NSN 6105-00-448-0399
NSN 5910-00-339-2198
NSN 5945-00-410-4171
NSN 7035-01-056-0047
NSN 5945-00-979-5914
NSN 6620-01-253-0374
NSN 6620-01-303-2563
NSN 5935-00-483-7308
NSN 6220-00-793-3167
NSN 5905-01-555-0047
NSN 5855-01-433-2220