The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-548-3584, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-548-3584 |
| Primary Part Number | 803-5348084-4XX-062 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7550479-5348084-4XX-062 | Naval Sea Systems Command (USA) |
| 803-5348084-4XX-062 PRIMARY | Naval Sea Systems Command (USA) |
| 401-222 | C. E. Conover & Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| G547-0003-5348084-4XX-062 | 5/2 Secondary reference U.S. Government activity |
| 5348084-4XX-062 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-548-3584 is a Back-Up Ring,preformed Packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-548-3584 has 3 manufacturer part numbers on file: 7550479-5348084-4XX-062 (Naval Sea Systems Command), 803-5348084-4XX-062 (Naval Sea Systems Command), 401-222 (C. E. Conover & Co., Inc.).
Key specifications for 803-5348084-4XX-062: Special Features: BRAND NAME OF MATERIAL IS "POLYTETRAFLUOROETHYLENE"; End Item Identification: VALVE,GLOBE 4.000 IPS; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.