Nyloc Nut #6-32 X8257

The Nyloc Nut #6-32 (part# X8257) is a genuine Tacony OEM fastener used on ten different machines across the Tornado and Powr-Flite ranges. It is a zinc-plated #6-32 nut with a nylon insert, used where a plain nut would work loose — the insert grips the thread and resists the constant vibration a motor or a brush deck puts through a fastener.

Compatible Models for the Nyloc Nut

This part is a genuine Tacony OEM component shared across multiple brands and machine types:

• Tornado backpack: Pac-Vac 6 Roam — Models 93016, 93016B-1 and 93016C-1
• Tornado auto scrubbers: 98838 ECO 500 AW, 98842 ECO 500AWH, 98846 ECO 500AWH Plus, 98848 ECO 500AW Plus
• Tornado extractors: 98320 PFX 10-T Midsize Extractor
• Powr-Flite: TE070-G10-U, TP490-G15-U Touchless Cleaner, BP10P

Not sure if this fits your machine? Call us at 763-535-0770 and we will confirm compatibility for you.

When to replace it: a nyloc nut is a single-use fastener by design. Once it has been run off a thread the nylon insert has been cut by that thread and it will not grip the same way again, so it should be replaced rather than re-used any time it comes off. Replace it immediately if the insert is missing, charred, or the nut spins freely down the thread by hand — at that point it is just a plain nut and will back off under vibration.

It is worth keeping a few on the shelf given how many machines use this one nut. If you find one that has backed off on its own, look at what it was holding before refitting: a nyloc that loosened usually means the joint underneath had already moved.

Twin City Vacuum has been selling and servicing Tornado equipment since 1956. The full parts breakdown for this machine is on our Tornado Pac-Vac 6 Roam parts page, and the manufacturer’s model information is at tornadovac.com.

Frequently Asked Questions

What does a nyloc nut do that a plain nut does not?

The nylon insert in the collar grips the bolt thread and stops the nut backing off under vibration. On a machine with a motor or a brush deck running all day, that is the difference between a joint that stays tight and one that loosens.

How do I know if my nyloc nut needs replacing?

Replace it whenever it has been removed, since the insert is cut by the thread on first use and will not grip the same way twice. Replace it immediately if the insert is missing or charred, or if the nut runs freely down the thread by hand.

What models is the Nyloc Nut (part# X8257) compatible with?

The Tornado Pac-Vac 6 Roam 93016, 93016B-1 and 93016C-1; the Tornado ECO 500 auto scrubbers 98838, 98842, 98846 and 98848; the Tornado 98320 PFX 10-T midsize extractor; and Powr-Flite TE070-G10-U, TP490-G15-U and BP10P.

How do I order the Nyloc Nut (part# X8257) or get help?

You can add the Nyloc Nut #6-32 (part# X8257) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing Tornado equipment since 1956 and can help confirm the right fastener for your machine.

Questions? Call us at 763-535-0770 or visit us at 5415 West Broadway, Crystal, MN 55428.