What's the -S suffix mean in Amphenol PT10LH01-502A2020-S

5K pot
Does the -S suffix in Amphenol part number PT10LH01-502A2020-S change the part?

After checking with the Product Manager that handles these Amphenol parts, it was determined that this suffix location in the part number calls out the material for the terminals that solder into the circuit board.

S = Steel Terminals
Blank = BRASS terminals.