The O-Ring, cataloged under National Stock Number 5331-01-509-0840, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-509-0840 |
| Primary Part Number | RE65201 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RE65201 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| RE65201 PRIMARY | Deere & Co (USA) |
| RE65201 | Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| RE65201 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
| 19-004-1751 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
| RE65201 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
NSN 5331-01-509-0840 is a O-Ring, manufactured by Deere & Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-509-0840 has 3 manufacturer part numbers on file: RE65201 (Rdo Equipment Rdo Equipment Pty Ltd), RE65201 (Deere & Co), RE65201 (Rdo Equipment Pty Ltd).
Key specifications for RE65201: End Item Identification: USED ON JOHN DEERE ENGINE MODELS 4039, 4045, 6059, 3029, AND 2.9 LITER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.