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 6130-01-013-9343
NSN 6620-01-327-7273
NSN 6110-01-122-5916
NSN 6130-01-136-5863
NSN 5935-01-381-5791
NSN 5925-01-557-9007
NSN 5905-01-188-6975
NSN 5950-00-815-1739
NSN 6130-01-384-1299
NSN 6610-00-575-7933
NSN 5998-00-580-3664
NSN 5905-01-117-6074