The O-Ring, cataloged under National Stock Number 5331-01-425-0344, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Ersmark Ab. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-425-0344 |
| Primary Part Number | 463735/6370001 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Trelleborg Ersmark Ab |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 124.5 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 |
|---|---|
| 2152 2115-885 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 463735 | Trelleborg Ersmark Ab (SWE) |
| 21-10614 IT 13 | Macgregor Sweden Ab (SWE) |
| 463735/6370001 PRIMARY | Trelleborg Ersmark Ab (SWE) |
| OR3012450-N762A | Trelleborg Ersmark Ab (SWE) |
| Reference | Meaning |
|---|---|
| 21-10614 IT 13 | 5/9 Secondary reference Macgregor Sweden Ab |
| 2152 2115-885 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| SMS1586124.5C3 | 5/9 Secondary reference Trelleborg Ersmark Ab |
| 124.5C3 | 5/9 Secondary reference Trelleborg Ersmark Ab |
| 463735/6370001 | 3/9 Design control — primary reference Trelleborg Ersmark Ab |
| 463735 | 5/9 Secondary reference Trelleborg Ersmark Ab |
NSN 5331-01-425-0344 is a O-Ring, manufactured by Trelleborg Ersmark Ab, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-425-0344 has 5 manufacturer part numbers on file: 2152 2115-885 (Bae Systems Hagglunds Aktiebolag), 463735 (Trelleborg Ersmark Ab), 21-10614 IT 13 (Macgregor Sweden Ab), 463735/6370001 (Trelleborg Ersmark Ab), OR3012450-N762A (Trelleborg Ersmark Ab).
Key specifications for 463735/6370001: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 124.5 MILLIMETERS NOMINAL MM. 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.