The O-Ring, cataloged under National Stock Number 5331-01-005-3219, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Hydraulics Group Eaton Industries Pty Ltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-005-3219 |
| Primary Part Number | 104166-120 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Hydraulics Group Eaton Industries Pty Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.093 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 104166-120 | Eaton Hydraulics Group Eaton Industries Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 82-20120-07 | 5/9 Secondary reference Vickers Inc |
| 5331PL1288405 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 262359 | 3/2 Design control — primary reference U.S. Government activity |
| 10-24879-02PC30 | 5/9 Secondary reference Vickers Inc |
NSN 5331-01-005-3219 is a O-Ring, manufactured by Eaton Hydraulics Group Eaton Industries Pty Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-005-3219 has 1 manufacturer part number on file: 104166-120 (Eaton Hydraulics Group Eaton Industries Pty Ltd).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-337-3076. Verify interchangeability with system specifications before substitution.
Key specifications for 104166-120: Cross-Sectional Height: 0.093 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.