The O-Ring, cataloged under National Stock Number 5331-00-549-3472, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Defense Industrial Supply Center Directorate of Engineering and Standardization. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Defense Industrial Supply Center Directorate of Engineering and Standardization (CAGE 0U2B4) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-549-3472 |
| Primary Part Number | CD5330-02504-001 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Defense Industrial Supply Center Directorate of Engineering and Standardization |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CD5330-02504-001 PRIMARY | Defense Industrial Supply Center Directorate of Engineering and Standardization (USA) |
| Reference | Meaning |
|---|---|
| 84000192 | 3/9 Design control — primary reference U.S. Government activity |
| 2-031N304-7 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-00-549-3472 is a O-Ring, manufactured by Defense Industrial Supply Center Directorate of Engineering and Standardization, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-549-3472 has 1 manufacturer part number on file: CD5330-02504-001 (Defense Industrial Supply Center Directorate of Engineering and Standardization).
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.