The Retainer,packing, cataloged under National Stock Number 5330-01-447-2009, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-447-2009 |
| Primary Part Number | 561-6404325-18 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.219 INCHES NOMINAL IN |
| Attachment Feature Quantity | 6 |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.690 INCHES NOMINAL IN |
| Attachment Feature Circle Diameter | 2.500 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 6.440 INCHES NOMINAL IN |
| Center Hole Diameter | 2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 OVERALL |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 561-6404325-18 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF2018-470-18 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5330-01-447-2009 is a Retainer,packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-447-2009 has 1 manufacturer part number on file: 561-6404325-18 (Naval Sea Systems Command).
Key specifications for 561-6404325-18: Attachment Hole Diameter: 0.219 INCHES NOMINAL IN; Attachment Feature Quantity: 6; Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Cross-Sectional Height: 0.690 INCHES NOMINAL IN. 9 specifications are 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.