A generic R75-series receptacle for the 75 mil (1.91 mm) grid with a solder-cup termination. It is pressed into the fixture's probe plate and the spring probe seats in it, so a worn probe can be replaced without unsoldering or rewiring the fixture.
It is the shortest body variant offered in the R75 solder-cup range, which makes it the one to consider where a shallow plate stack leaves little room below the probe plate. The R-series pattern matches the standard 75 mil drill, so it can go into a plate laid out for a branded body — but check the overall length against your stack-up, because that is what separates the R75 length variants from one another.
Generic R75 series, for 75 mil (1.91 mm) test-point pitch
