Zap,
IMHO you should put it back as it came out. The surfaces have "wear lapped" themselves and have matching surfaces. If you replace the pin or turn it you will match surfaces that don't match each other and the wear will be accelerated. At some point you have no choice because the pin will fail when worn thru.
The wear surfaces on the pin and cocking ramp should be lubricated with a very stiff grease. Almost tar like consistency. If you look at those surfaces with a high power magnifying glass you will see that metal is being "dragged" in the contact patch. With lube wear will be very fast.
You heard me say IMHO....right?
HTH
John
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