The O-Ring, cataloged under National Stock Number 5331-01-320-3546, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Alfa Laval Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Alfa Laval Inc (CAGE 71871); Alfa Laval (CAGE F1799); Alfa Laval Spa (CAGE A0147) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-320-3546 |
| Primary Part Number | 22340420 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 22340420 PRIMARY | Alfa Laval Inc (USA) |
| 22340420 | Alfa Laval (FRA) |
| 223404-20 | Alfa Laval Spa (ITA) |
| Reference | Meaning |
|---|---|
| 223404 20 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 33A040481 | 5/9 Secondary reference Suyfa Defence SL |
NSN 5331-01-320-3546 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-320-3546 has 3 manufacturer part numbers on file: 22340420 (Alfa Laval Inc), 22340420 (Alfa Laval), 223404-20 (Alfa Laval Spa).
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.