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 6145-01-282-8258
NSN 5975-01-619-5982
NSN 5975-01-044-8403
NSN 5915-01-088-0684
NSN 5935-01-004-9016
NSN 5960-01-658-9538
NSN 5965-01-320-1808
NSN 6145-01-510-2801
NSN 6610-01-412-0058
NSN 6135-00-444-1402
NSN 6135-00-708-0892
NSN 5965-01-466-9379