That springy thing would go around the inside of the seal lip to put a little pressure on the lip. Check the replacement seal - it will likely have a springy thing at that position.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.