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.
Nylon washer measures .443 ID x .750 OD x .062 inch thick and accommodates a 7/16 diameter plunger or screw.
Reference:
C-956