Avoiding Tolerance Stack-Up in Assemblies with locking system pins

https://diesel-parts-journal.solsticebrief.com/posts/a-practical-guide-to-tapered-threaded-nipples-for-oem-teams

Avoiding Tolerance Stack-Up in Assemblies with locking system pins An OEM part can appear simple on a drawing and still carry a demanding job. Their value comes from a sound fit, a clear process, and checks that match real service conditions