The Retainer,packing, cataloged under National Stock Number 5330-01-399-1663, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Danfoss Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Retainer,packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Danfoss Inc (CAGE 24976) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-399-1663 |
| Primary Part Number | 521X151 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 521X151 PRIMARY | Danfoss Inc (USA) |
| Reference | Meaning |
|---|---|
| 949302 | 5/9 Secondary reference U.S. Government activity |
| 521X151 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
NSN 5330-01-399-1663 is a Retainer,packing, manufactured by Danfoss Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-399-1663 has 1 manufacturer part number on file: 521X151 (Danfoss Inc).
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.