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 5965-00-948-2809
NSN 5965-00-840-8849
NSN 5935-00-619-1107
NSN 6240-01-346-2662
NSN 5935-00-555-6945
NSN 5855-00-821-7512
NSN 5985-01-544-0946
NSN 6110-01-106-2708
NSN 6110-00-170-6520
NSN 5905-01-108-5140
NSN 5920-01-323-6369
NSN 6110-01-174-8413