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 7035-01-536-5333
NSN 5999-01-113-5316
NSN 5925-01-264-9602
NSN 5985-00-132-6897
NSN 5835-01-316-3255
NSN 6320-01-335-8336
NSN 6105-00-456-9829
NSN 6645-00-336-4783
NSN 5905-00-356-4243
NSN 6620-00-863-4639
NSN 5855-01-433-2220
NSN 6220-00-186-8565