The Retainer,packing, cataloged under National Stock Number 5330-01-204-4738, 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 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-204-4738 |
| Primary Part Number | R-401-A PIECE 13 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 903 OVERALL |
| 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 |
|---|---|
| R-401-A PIECE 13 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| LL40 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| E-14719 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 3.317.307 PIECE 13 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-204-4738 is a Retainer,packing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-204-4738 has 3 manufacturer part numbers on file: R-401-A PIECE 13 (Circor Naval Solutions Llc Dba Warren Pumps), LL40 (Circor Naval Solutions Llc Dba Warren Pumps), E-14719 (Circor Naval Solutions Llc Dba Warren Pumps).
1 possible match (shared part number, not a government interchangeability claim): 6635-01-533-6228. Verify interchangeability with system specifications before substitution.
Key specifications for R-401-A PIECE 13: Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 903 OVERALL. 2 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.