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 7035-00-803-3056
NSN 5925-01-521-3915
NSN 5910-01-570-3948
NSN 6145-01-391-0482
NSN 5960-01-588-5681
NSN 6105-01-523-1027
NSN 5905-01-458-3448
NSN 5945-00-981-9010
NSN 5985-01-368-6514
NSN 7035-01-512-1826
NSN 5930-00-291-5400
NSN 6620-01-434-1012