The O-Ring, cataloged under National Stock Number 5331-01-260-8949, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Zf Friedrichshafen Ag. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-260-8949 |
| Primary Part Number | 0634 303 259 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Zf Friedrichshafen Ag |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 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 |
|---|---|
| 0634 303 259 | Zf Friedrichshafen Ag (DEU) |
| 0634 303 259 | Zf Services Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 0634 303 259 | 3/9 Design control — primary reference Zf Group North American Operations, Inc. Dba Zf Services North America Div Sales and Service |
NSN 5331-01-260-8949 is a O-Ring, manufactured by Zf Friedrichshafen Ag, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-260-8949 has 2 manufacturer part numbers on file: 0634 303 259 (Zf Friedrichshafen Ag), 0634 303 259 (Zf Services Uk Limited).
Key specifications for 0634 303 259: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM. 1 specification is 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.