Lock Nut
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 550H-IND | — |
| Loader | 721C | — |
| Loader | 621C | — |
| Baler | 8585 | — |
| Baler | 8575 | — |
| Baler | 8590 | — |
| Baler | 8576 | — |
| Baler | 8455 | — |
| Baler | 8545 | — |
| Dozer | 850G | — |
OEM Lock Nut 3/8"-16 Gb Nut - Hex Self-Locking 3/8 Inch Nc #231 - OEM Hardware Repair Part for Case Construction Equipment Service This OEM repair component helps technicians replace damaged originals during service work involving replacement of fastening hardware affected by wear, stretch, or breakage, including stripped threads, bent pins, loose mounting, and lost clips. Often searched by buyers handling OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance service work.
More Details
Part Number: 231
Application: Primary service use: Hardware replacement component used to repair loose mounting points, missing fasteners, bent pins, or worn retention hardware.
Key Features:
- Designed to replace damaged pins, bolts, washers, or retaining hardware
- Supports repair of looseness, poor retention, and hardware-related service issues
- OEM-style fit for efficient installation in routine maintenance
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 231-1406
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Braking System
- Weight
- 0.02 lb
Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.
Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.
30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.
All 39 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 550H-IND | — |
| Loader | 721C | — |
| Loader | 621C | — |
| Baler | 8585 | — |
| Baler | 8575 | — |
| Baler | 8590 | — |
| Baler | 8576 | — |
| Baler | 8455 | — |
| Baler | 8545 | — |
| Dozer | 850G | — |
| Dozer | 650G | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 3230 | — |
| Baler | 8580 | — |
| Dozer | 550G | — |
| Loader | 721B | — |
| Loader | 621B | — |
| Loader | 921B | — |
| Baler | 8455T | — |
| Baler | 8465T | — |
| Loader | 821B | — |
| Loader | 921 | — |
| Dozer | 550E | — |
| Dozer | 855E | — |
| Dozer | 850E | — |
| Backhoe | 580K | — |
| Backhoe | 480F LL | — |
| Backhoe | 480F | — |
| Loader | 621 | — |
| Loader | 821 | — |
| Loader | 721 | — |
| Loader | W30 | — |
| Backhoe | 26D | — |
| Backhoe | 480E LL | — |
| Backhoe | 480E | — |
| Excavator | 1085C | — |