The Multiquip 492537 Castle Nut 1-1/4" NF is a genuine OEM fastener designed for Essick Mixer equipment. As a direct OEM replacement, it is manufactured to the exact thread specification and dimensional tolerancing required for correct installation on Essick Mixer models. Sourced directly through authorized Multiquip distribution, this part ensures you are getting the correct hardware for a confident, by-the-book repair.
Key Features
- Exact Thread Specification: — Cut to 1-1/4" NF (National Fine) thread standard, ensuring full thread engagement and proper torque retention on compatible fastener points.
- Genuine OEM Hardware: — Supplied as a true Multiquip OEM part, meeting the same dimensional and material standards as the original fastener on the machine.
- Direct-Fit Replacement: — Replaces the original castle nut without rework or thread chasing, dropping straight into the existing fastener position.
- Cotter Pin Retention Design: — Castle nut profile accepts a standard cotter pin or safety wire through the slots, maintaining secure, locked fastening under vibration and load.
- Essick Mixer Compatibility: — Confirmed fitment for Essick Mixer models in the Multiquip portfolio, including EM900SD equipment.
A castle nut — also called a castellated nut — is a hex nut with slots cut into the top face, designed to be used in combination with a cotter pin or safety wire that passes through a corresponding hole in the bolt or shaft. This locking arrangement prevents the nut from backing off under dynamic loads, vibration, or cyclical stress, which is a common concern on rotating or load-bearing assemblies in mixing equipment. When a castle nut wears, strips its threads, or loses a slot, it can no longer be properly secured with a cotter pin, creating a risk of fastener loosening and potential mechanical failure at that joint.
For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 492537 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Castle Nut 1-1/4" NF |
Compatibility & Fitment
| Name | Model |
|---|---|
| Essick Mixers | EM900SD |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
