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 6135-00-917-1894
NSN 5915-01-548-2580
NSN 6145-01-596-8407
NSN 6240-01-426-5581
NSN 5920-01-415-5020
NSN 5990-01-074-6549
NSN 5996-00-824-4709
NSN 6240-00-577-8175
NSN 5835-00-594-4921
NSN 6645-01-154-3080
NSN 5905-01-238-9039
NSN 5998-00-421-6109