The Retainer,packing, cataloged under National Stock Number 5330-01-325-2751, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-325-2751 |
| Primary Part Number | 655B0340C030A |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.375 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2 |
| Cross-Sectional Thickness | 0.219 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.750 INCHES NOMINAL IN |
| Rim Surface Width | 0.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLANGE |
| Attachment Feature Circle Diameter | 5.124 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 4.250 INCHES NOMINAL IN |
| Center Hole Diameter | 2.797 INCHES MINIMUM AND 2.813 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 655B0340C030A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 5330-01-325-2751 is a Retainer,packing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-325-2751 has 1 manufacturer part number on file: 655B0340C030A (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 655B0340C030A: Attachment Hole Diameter: 0.375 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Cross-Sectional Thickness: 0.219 INCHES NOMINAL IN; Cross-Sectional Height: 0.750 INCHES NOMINAL IN. 11 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.