The O-Ring, cataloged under National Stock Number 5331-01-431-9911, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Macgregor Sweden Ab. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-431-9911 |
| Primary Part Number | 84.20 5.70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Macgregor Sweden Ab |
| Status | ACTIVE |
| Cross-Sectional Height | 5.7 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 84.1 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 |
|---|---|
| 84.20 5.70 PRIMARY | Macgregor Sweden Ab (SWE) |
| Reference | Meaning |
|---|---|
| 589-6953361 ITEM NO. 16 | 5/9 Secondary reference Macgregor Sweden Ab |
| 589-6953361 ITE | C/1 Advisory reference — outside the item-of-supply concept Macgregor Usa Inc. Div Macgregor Usa |
| 84.20 5.70 | 3/9 Design control — primary reference Macgregor Sweden Ab |
NSN 5331-01-431-9911 is a O-Ring, manufactured by Macgregor Sweden Ab, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-431-9911 has 1 manufacturer part number on file: 84.20 5.70 (Macgregor Sweden Ab).
Key specifications for 84.20 5.70: Cross-Sectional Height: 5.7 MILLIMETERS NOMINAL MM; Center Hole Diameter: 84.1 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.