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 5935-01-453-5856
NSN 6135-01-604-8739
NSN 5998-01-067-9065
NSN 5998-00-348-5955
NSN 5915-01-555-8081
NSN 6650-01-170-9719
NSN 5996-00-836-7393
NSN 5835-00-021-5913
NSN 7035-00-868-2640
NSN 5905-01-006-2728
NSN 5835-01-604-7489
NSN 5960-01-056-4982