The 87589-9: With 26 positions loaded across two rows, the 0.100" row spacing gives you a 0.533" overall contact length — the 0.318" mating length provides solid wipe before the detent lock engages.
Why the detent lock matters on the bench
Sourcing an obsolete BOM line
The 0.100" pitch and 26-position count are the critical BOM match points — verify your mating half before committing.
