181894 - Castle Nut – For 10K Axles | LPT


181894 - Castle Nut – For 10K Axles | LPT
This 6-slot castle nut is designed for 10,000 lb Lippert axles, providing a secure and stable locking mechanism for trailer spindle assemblies. Engineered with fine threads and a heavy-duty profile, it ensures durability and long-lasting performance under high load conditions.
Detailed Information:
| Axle Capacity | 10,000 lbs |
|---|---|
| Thread Size | 1-1/2" – 12 TPI |
| Hex Size | 2-1/4" |
| Height | 1-1/4" |
| Type | 6-Slot Castle Nut |
Fitting:
Fits Lippert 10K axle spindles with 1-1/2"-12 threads. Commonly used to secure bearing assemblies on heavy-duty trailer hubs. Requires cotter pin for locking (sold separately).
Features:
- Durable Construction: Built from high-strength steel for reliable performance.
- Secure Locking: 6-slot design allows for cotter pin installation to lock in place.
- Exact Fit: Manufactured to Lippert OE specs for 10K axle assemblies.
- Corrosion Resistant: Treated finish withstands tough environments.
- Heavy-Duty Application: Suitable for high-load trailer and commercial axle systems.
Interchangeable Part Numbers:
- 181894
- CURT 181894
Product Overview:
The Castle Nut – For 10K Axles | LPT is a genuine-fit locking nut for 10,000 lb Lippert trailer axles. With its 6-slot profile and fine 1-1/2"-12 threads, this nut ensures secure bearing preload and axle retention. Designed to resist corrosion and withstand heavy loads, it’s a dependable solution for maintaining axle integrity and wheel safety in demanding conditions.
- Product type: Misc Components



















