The Honda 90306-772-003 Lock Nut (5/16-24) is a genuine OEM fastener designed for the H1011 riding mower and H2013 and H2113 lawn tractors. Sourced directly from Honda, this lock nut carries the exact thread specification — 5/16-24 — required for proper assembly on these machines. Using the correct OEM fastener ensures the right thread engagement and clamping load for your Honda equipment.
Key Features
- Genuine OEM Thread Specification — a 5/16-24 fine-thread lock nut manufactured to Honda's exact specification, ensuring proper thread engagement every time
- Direct OEM Replacement — an exact match by part number 90306-772-003, with no modification needed to install on compatible H1011, H2013, or H2113 units
- Verify Your Serial Number — Honda updates fastener specs at production breaks, so confirm your machine's serial number against the fitment table before ordering
A lock nut is a fastener designed to resist loosening under vibration. Unlike a standard hex nut, the locking feature — typically a distorted thread, nylon insert, or deformed top section — grips the mating bolt or stud and prevents it from backing out during operation. On riding mowers and lawn tractors such as the H1011, H2013, and H2113, vibration is an ever-present force, and a fastener that backs out can allow components to shift or separate. Using the correct lock nut with the right thread pitch keeps assemblies secure through hours of field use.
Part Details
| Part Number | 90306-772-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Lock Nut (5/16-24) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | H2013, H2113 | 6200885-9999999 |
| Riding Mower | H1011 | 6102700-9999999 |
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.
