Fisherjeep said:
That's a "headless clevis pin" you can get them through McMaster Carr. They are available in stainless also.
https://www.mcmaster.com/#clevis-pins/=10jdncm
Mite also think of some type of shoulder bolt with a Nylock nut , I hate snap rings if not needed, always getting bent or broke :? ,, https://www.mcmaster.com/#shoulder-bolts/=10kv80m ,,,,
excellent place to send someone looking for hardware,,,,tell ya we use McMaster Carr every day best place for service on the planet,,,,, have ordered stuff from them early AM and we get it delivered to the shop before the end of the day,,,,, get a big yellow 3'' thick catalog every year, if its hardware , tools and shop supply's they have it if its made!!! and always top quality products!! ,, trust me its not Harbor Freight, :wink: