The Retainer,packing, cataloged under National Stock Number 5330-01-204-6899, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-204-6899 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | QQ-B-637 CL A COMP 464 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 CL A COMP 464 FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Material | COPPER ALLOY 464 RETAINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A-3,204738 | 5/9 Secondary reference U.S. Government activity |
| 5042P | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SL-8526 PIECE 2.3 | 5/9 Secondary reference U.S. Government activity |
| 5042-P | 3/9 Design control — primary reference U.S. Government activity |
| S4700H3,183283 PIECE 2.3 | 5/9 Secondary reference U.S. Government activity |
| 5042-P | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SK-145341 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-204-6899 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4920-01-662-1249. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-204-6899: Material Document and Classification: QQ-B-637 CL A COMP 464 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 CL A COMP 464 FED SPEC SINGLE MATERIAL RESPONSE RETAINER; Material: COPPER ALLOY 464 RETAINER. 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.