The O-Ring, cataloged under National Stock Number 5331-01-550-6810, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-550-6810 |
| Primary Part Number | 51M7048 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Cross-Sectional Height | 2.9 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 29.6 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 51M7048 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| 51M7048 | Rdo Equipment Pty Ltd (AUS) |
| 51M7048 PRIMARY | Deere & Co (USA) |
| Reference | Meaning |
|---|---|
| 51M7048 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
| 51M7048 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
NSN 5331-01-550-6810 is a O-Ring, manufactured by Deere & Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-550-6810 has 3 manufacturer part numbers on file: 51M7048 (Rdo Equipment Rdo Equipment Pty Ltd), 51M7048 (Rdo Equipment Pty Ltd), 51M7048 (Deere & Co).
Key specifications for 51M7048: Cross-Sectional Height: 2.9 MILLIMETERS NOMINAL MM; Center Hole Diameter: 29.6 MILLIMETERS NOMINAL MM. 2 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.