CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Extension spring for Bally electromechanical relay armatures.
Reference:
SP-199-13 relay spring natural
SP-199-14 relay spring blue
51-1667 Wico
SP-199-15 relay spring yellow
SP-199-16 relay spring red
SP-199-17 relay spring green