The O-Ring, cataloged under National Stock Number 5331-01-530-4776, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins South Pacific Pty Ltd Head Office. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-530-4776 |
| Primary Part Number | 3990084 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cummins South Pacific Pty Ltd Head Office |
| Status | ACTIVE |
| Cross-Sectional Height | 2.6 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 29.8 MILLIMETERS NOMINAL MM |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 3990084 | Cummins South Pacific Pty Ltd Head Office (AUS) |
| Reference | Meaning |
|---|---|
| 3990084 | 3/9 Design control — primary reference Cummins Inc. |
NSN 5331-01-530-4776 is a O-Ring, manufactured by Cummins South Pacific Pty Ltd Head Office, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-530-4776 has 1 manufacturer part number on file: 3990084 (Cummins South Pacific Pty Ltd Head Office).
Key specifications for 3990084: Cross-Sectional Height: 2.6 MILLIMETERS NOMINAL MM; Center Hole Diameter: 29.8 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: SEAL, O-RING; End Item Identification: VALVE COVER ON AN ENGINE, DIESEL QSB 5.9-380 GS. 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.