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 5910-01-463-3862
NSN 6135-01-322-4655
NSN 5905-01-514-2886
NSN 5999-01-142-7906
NSN 5895-01-199-8269
NSN 5985-00-082-5228
NSN 6220-01-246-4285
NSN 5996-01-212-4234
NSN 6320-01-157-9076
NSN 6105-01-336-6568
NSN 5835-01-030-7887
NSN 6150-01-323-6378