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 5985-00-949-5511
NSN 5855-01-634-0259
NSN 5855-01-604-4161
NSN 5910-00-085-5818
NSN 6130-01-367-6563
NSN 6645-00-351-8580
NSN 5935-00-262-1657
NSN 5998-00-278-4481
NSN 5999-00-690-0332
NSN 6135-00-539-8088
NSN 6685-01-008-8886
NSN 5990-00-576-4882