Lock Nut
| Machine | Model | Years / S/N |
|---|---|---|
| Combine | 7160 | 2026 |
| Combine | 5160 | — |
| Combine | 6160 | — |
| Combine | 5160 | 2024 |
| Combine | 7160 | 2024 |
| Combine | 6160 | 2024 |
| Combine | 7160 | — |
| Combine | 6160 | 2026 |
| Combine | 5150 | — |
| Combine | 6150 | — |
OEM Lock Nut 1/2"-20 G5 Nut - Lock 1/2-20 Nf Used From 7-17-59 #131 - OEM Fastener and Pin Replacement for Case Construction Equipment This OEM part is intended for maintenance replacement in situations involving loose mounting points, missing hardware, and worn retention components, including symptoms like looseness, missing retention, hardware wear, and attachment instability. A practical OEM option for OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance jobs in the field.
More Details
Part Number: 131
Application: Common service application: Hardware replacement component used to repair loose mounting points, missing fasteners, bent pins, or worn retention hardware.
Key Features:
- OEM replacement for missing, bent, worn, or stripped hardware components
- Helps restore secure retention, alignment, and dependable equipment assembly during service
- Direct-fit service hardware for repair and maintenance replacement work
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
- 131-58
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.04 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 169 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Combine | 7160 | 2026 |
| Combine | 5160 | — |
| Combine | 6160 | — |
| Combine | 5160 | 2024 |
| Combine | 7160 | 2024 |
| Combine | 6160 | 2024 |
| Combine | 7160 | — |
| Combine | 6160 | 2026 |
| Combine | 5150 | — |
| Combine | 6150 | — |
| Combine | 7150 | — |
| Combine | 6150 | 2023 |
| Combine | 7150 | 2023 |
| Combine | 6150 | 2022 |
| Combine | 5150 | 2022 |
| Combine | 7150 | 2022 |
| Combine | 6150 | 2021 |
| Combine | 7150 | 2021 |
| Combine | 5150 | 2021 |
| Combine | 6150 | 2020 |
| Combine | 5150 | 2020 |
| Combine | 7150 | 2020 |
| Combine | 6140 | — |
| Combine | 5140 | 2018 |
| Combine | 6140 | 2018 |
| Combine | 7140 | 2018 |
| Combine | 5140 | — |
| Combine | 7140 | — |
| Combine | AF6130 CMN CAB | — |
| Combine | 9230 | — |
| Combine | 5130 | — |
| Combine | 6130 | — |
| Combine | 7130 | — |
| Combine | 7088 | — |
| Combine | 5088 | — |
| Combine | 6088 | — |
| Trencher | 660 | — |
| Tractor | CX90 | — |
| Tractor | CX80 | — |
| Tractor | CX70 | — |
| Tractor | CX60 | — |
| Tractor | CX50 | — |
| Tractor | CX100 | — |
| Tractor | C100 | — |
| Tractor | C90 | — |
| Tractor | C80 | — |
| Tractor | C70 | — |
| Tractor | C60 | — |
| Tractor | C50 | — |
| Tractor | 3230 | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 395 | — |
| Tractor | 495 | — |
| Tractor | 595 | — |
| Tractor | 695 | — |
| Tractor | 895 | — |
| Tractor | 995 | — |
| Trencher | 560 | — |
| Tractor | 380B | — |
| Tractor | 248 | — |
| Tractor | 385 | — |
| Tractor | 485 | — |
| Tractor | 585 | — |
| Tractor | 685 | — |
| Tractor | 885 | — |
| Combine | 1660 | — |
| Mower | 200 | — |
| Excavator | 1187B | — |
| Excavator | 1080B | — |
| Tractor | 5488 | — |
| Tractor | 5288 | — |
| Tractor | 5088 | — |
| Tractor | 268 | — |
| Tractor | 258 | — |
| Tractor | 3688 | — |
| Tractor | 3288 | — |
| Tractor | 3088 | — |
| Tractor | 3688HC | — |
| Tractor | 785 | — |
| Excavator | 1080 | — |
| Excavator | 1280B | — |
| Tractor | 7288 | — |
| Tractor | 7488 | — |
| Excavator | 1187 | — |
| Tractor | 584 | — |
| Tractor | 884 | — |
| Mower | 3110 | — |
| Excavator | 1280 | — |
| Tractor | 684 | — |
| Tractor | 6788 | — |
| Tractor | 6588 | — |
| Tractor | 6388 | — |
| Tractor | 856 | — |
| Excavator | 50 | — |
| Tractor | 278 | — |
| Tractor | 484 | — |
| Tractor | 784 | — |
| Tractor | HYDRO 84 | — |
| Harvester | 45 | — |
| Tractor | 786 | — |
| Tractor | 886 | — |
| Tractor | 1086 | — |
| Tractor | 1486 | — |
| Tractor | 1586 | — |
| Tractor | 2470 | — |
| Tractor | 2670 | — |
| Tractor | 4186 | — |
| Tractor | 986 | — |
| Harvester | 645 | — |
| Excavator | 40YC | — |
| Excavator | 40EC | — |
| Tractor | 1270 | — |
| Tractor | 1175 | — |
| Tractor | 1070 | — |
| Tractor | 1066 | — |
| Tractor | 1566 | — |
| Tractor | 1370 | — |
| Tractor | 1570 | — |
| Tractor | 1568 | — |
| Tractor | 766 | — |
| Tractor | 970 | — |
| Loader | W24B | — |
| Tractor | 1466 | — |
| Tractor | 2500 | — |
| Tractor | 574 | — |
| Tractor | 674 | — |
| Mower | 230 | — |
| Tractor | 1468 | — |
| Tractor | 2806 | — |
| Tractor | 2856 | — |
| Tractor | 806 | — |
| Tractor | HYDRO 100 | — |
| Mower | 1110 | — |
| Tractor | 1456 | — |
| Tractor | 21456 | — |
| Tractor | 474 | — |
| Tractor | 3400 | — |
| Tractor | 1256 | — |
| Tractor | 21256 | — |
| Tractor | 2400 | — |
| Tractor | 454 | — |
| Tractor | 464 | — |
| Tractor | 4166 | — |
| Loader | W24 | — |
| Tractor | 2756 | — |
| Tractor | 2826 | — |
| Tractor | 756 | — |
| Tractor | 826 | — |
| Tractor | 966 | — |
| Tractor | 4156 | — |
| Tractor | 730 SERIES | — |
| Tractor | 830-SERIES | — |
| Tractor | 1206 | — |
| Tractor | 21206 | — |
| Tractor | 4100 | — |
| Mower | 115 | — |
| Mower | 110 | — |
| Tractor | 2706 | — |
| Tractor | 706 | — |
| Tractor | 560 | — |
| Tractor | 660 | — |
| Dozer | 1000C | — |
| Tractor | 940 | — |
| Tractor | 930 | — |
| Tractor | 450-SERIES | — |
| Tractor | 400-SERIES | — |