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 6220-01-036-5690
NSN 6110-01-338-2724
NSN 5999-01-608-3908
NSN 5965-00-510-4301
NSN 6130-01-356-6263
NSN 5915-01-010-8941
NSN 6150-01-004-0030
NSN 5905-01-197-7352
NSN 6240-01-394-2571
NSN 6145-01-452-3604
NSN 5895-01-180-8006
NSN 5998-00-757-4822