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 5945-00-246-5740
NSN 6130-01-380-5101
NSN 6645-01-476-3660
NSN 5925-01-356-5725
NSN 5920-01-367-2542
NSN 6135-01-265-1384
NSN 7035-01-322-8180
NSN 5905-01-118-4873
NSN 5965-00-013-7990
NSN 5965-01-604-0220
NSN 6620-01-019-6952
NSN 6220-00-006-5157