The 1-146131-2: The 0.090" (2.29mm) insulation height and 0.320" (8.13mm) mating pin length give a low-profile mated stack height — useful when the z-height budget above the PCB is tight.
Sourcing Reality: This Part Is Obsolete
No official replacement or successor part number is documented by the manufacturer for this specific order code. Sourced per request — no stock-holding claim is made.
Cross-Reference and Alternative Search
The base product number 146131 covers the family; other position counts or plating options within that base may be considered if the pinout and footprint align.