Product Overview

The Pentair FNS Plus Nylon Locknut | 58001000 is the genuine Pentair replacement nylon lock nut for Pentair FNS Plus DE.

Ideal For

Replacing a lost or damaged lock nut during filter service

Pool service professionals who stock Pentair parts

Key Features

Genuine Pentair OEM replacement part

Factory part number 58001000

Listed on the factory chart as nut, lock, hex, nylon

Specifications

Warranty & Compatibility

Confirm your model and production date against the factory parts diagram before ordering. Not sure this is the right part? Call or text 725-205-1783 and a pool tech will confirm it before you buy.

Customer-Facing Q&A

Q: What part number is this?
A: Pentair part number 58001000.

Q: What does it fit?
A: The factory parts chart lists it for Pentair FNS Plus DE.