The O-Ring, cataloged under National Stock Number 5331-01-531-2502, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Deere Construction & Forestry Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-531-2502 |
| Primary Part Number | R97877 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Deere Construction & Forestry Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.122 INCHES NOMINAL IN |
| Center Hole Diameter | 2.244 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| R97877 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| R97877 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 5331-01-531-2502 is a O-Ring, manufactured by John Deere Construction & Forestry Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-531-2502 has 1 manufacturer part number on file: R97877 (John Deere Construction & Forestry Company).
Key specifications for R97877: Cross-Sectional Height: 0.122 INCHES NOMINAL IN; Center Hole Diameter: 2.244 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TORQUE JOINT; Material: RUBBER SILICONE CLASS Q. 3 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.