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 5915-01-458-7832
NSN 5950-01-612-7250
NSN 5985-01-322-8111
NSN 6130-00-475-9286
NSN 6135-00-351-8606
NSN 5905-00-420-7638
NSN 5998-01-051-0939
NSN 6685-00-904-4845
NSN 5910-01-088-5342
NSN 4140-01-659-2515
NSN 5996-01-258-5888
NSN 5895-01-221-1074