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MORryde 5/16-18 Serrated Flange Nut Grade 2 - Superior Pin Box Hardware
Secure your MORryde pin box assembly with the MORryde UO116-249 5/16-18 Serrated Flange Nut Grade 2. This genuine OEM replacement hardware combines the benefits of a flange nut with aggressive serrations that bite into the mounting surface, providing maximum resistance to loosening from vibration. When it's time to replace worn or damaged nuts during maintenance or repair, only genuine MORryde hardware ensures proper fit and reliable performance under extreme towing conditions.
Why Serrated Flange Nuts Are Superior
Serrated flange nuts represent the ultimate in anti-loosening fastener technology. The integrated flange distributes clamping force over a larger surface area, while the serrated teeth on the underside of the flange bite into the mounting surface, creating a mechanical lock that resists rotation from vibration. This dual-action design is especially critical in pin box applications where constant road vibration and towing loads can cause standard nuts to loosen over time. The Grade 2 specification ensures consistent material properties and reliable performance.
Key Features & Benefits
- Genuine OEM Hardware: Exact replacement designed specifically for MORryde pin boxes
- Precise Specifications: 5/16-18 thread size with serrated flange design
- Anti-Loosening Serrations: Teeth bite into surface to prevent rotation
- Built-In Washer: Flange distributes load and prevents loosening
- Grade 2 Quality: Consistent material properties and strength
- Maximum Vibration Resistance: Superior to standard nuts and even regular flange nuts
- Perfect Fit: Correct thread pitch and flange diameter for MORryde applications
- Corrosion Resistant: Protective finish for long service life
- Safety Critical: Proper hardware for secure pin box assembly
Technical Specifications
- Part Number: UO116-249
- Manufacturer: MORryde
- Product Type: Serrated Flange Nut
- Thread Size: 5/16-18
- Design: Integrated flange with serrated teeth
- Grade: Grade 2
- Application: MORryde pin box assemblies
- Material: High-grade steel
- Quantity: Sold individually (1 nut per order)
Perfect For
This serrated flange nut is essential for MORryde pin box owners performing maintenance, repair, or rebuild work. Ideal for replacing lost, damaged, or worn nuts during pin box service, especially in high-vibration locations where maximum anti-loosening performance is required. Critical for ensuring all pin box components remain securely fastened under the most demanding towing conditions. Smart to keep spares on hand for emergency repairs or routine maintenance.
When You Need This Hardware
- Pin box maintenance or rebuild
- Replacing lost or damaged nuts
- Complete pin box assembly service
- Hitch system repair or inspection
- High-vibration applications requiring maximum security
- Keeping spare hardware for emergencies
- Ensuring proper torque specifications with fresh hardware
Installation & Compatibility
The MORryde UO116-249 Serrated Flange Nut is designed specifically for MORryde pin box assemblies. Installation requires proper tools and torque specifications as outlined in your pin box service manual. The serrated teeth will bite into the mounting surface when properly torqued, creating a mechanical lock. The integrated flange eliminates the need for a separate washer. Always replace hardware with genuine MORryde parts to ensure proper fit, strength, and safety. Verify your pin box model and specific hardware requirements before ordering.
Related MORryde pin box hardware:
- MORryde 5/16-18 Buttonhead Bolt (UO115-204) - Often used with this nut size
- MORryde 7/16-14 Flange Nut (UO116-039)
- MORryde 5/16-18 T-Nut (UO136-238)
- MORryde Pin Box Retainment Rod (RPB712-008)
Why Buy from ElkhartRVParts.com?
- ✓ Authorized MORryde Dealer - 100% genuine OEM parts and hardware
- ✓ Expert Support - Our team knows MORryde pin box systems inside and out
- ✓ Fast Shipping - Get your hardware delivered quickly
- ✓ Quality Guarantee - Authentic MORryde components you can trust
- ✓ Safety First - Only genuine hardware for safety-critical applications
Frequently Asked Questions
Q: How many nuts come in an order?
A: This product is sold individually - you receive 1 serrated flange nut per order. If you need multiple nuts for your service, adjust your quantity accordingly.
Q: What's the difference between a serrated flange nut and a regular flange nut?
A: A serrated flange nut has aggressive teeth on the underside of the flange that bite into the mounting surface, providing superior resistance to loosening from vibration compared to a regular flange nut.
Q: Do I need a separate washer with this nut?
A: No! The integrated flange acts as a built-in washer, and the serrations provide additional anti-loosening security.
Q: What does Grade 2 mean?
A: Grade 2 is a material specification that ensures consistent strength and quality properties. It's the appropriate grade for this application as specified by MORryde.
Q: Can I use a generic serrated flange nut from the hardware store instead?
A: We strongly recommend using genuine MORryde hardware. Generic nuts may not meet the exact specifications, material grade, or quality standards required for safety-critical pin box applications.
Q: Do I need to torque this nut to a specific value?
A: Yes! Always follow the torque specifications in your MORryde pin box service manual. Proper torque is essential for the serrations to bite into the surface correctly.
Q: Will this fit my MORryde pin box?
A: This serrated flange nut is designed for MORryde pin box assemblies that use 5/16-18 serrated flange nuts. Verify your specific pin box model and hardware requirements. Use our AI Live Chat for fitment assistance.
Need help with compatibility or installation questions? Use our AI Live Chat for instant assistance with product selection, fitment verification, and technical support!
Ready to maintain your MORryde pin box with genuine hardware? Order your MORryde 5/16-18 Serrated Flange Nut Grade 2 today and ensure your fifth wheel hitch stays secure and safe!
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