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.
Plunger shaft head end stop. Used in various Stern Assemblies:
JOHN WICK PRO 511-5414-00 Car Plunger Assembly
X-MEN LE 511-6770-00 Assembly Ball Lock
STAR WARS PRO 500-1077-00 Ball Lock Assembly
FOO FIGHTERS PRO 500-2616-00 Overlord Ball Lock Assembly
RUSH PREM/LE 530-5511-00 Ball Lock Assembly
....and more!
Reference:
530-5511-00