The Retainer,packing, cataloged under National Stock Number 5330-01-642-3399, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-642-3399 |
| Primary Part Number | 7550478-6397434-4-028D4 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7550478-6397434-4-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-6397434-4-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6397434-4-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 803-6397434-X4XXXX-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-6397434-4-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-6397434-4-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550478-6397434-4-028 | 5/1 Secondary reference Naval Sea Systems Command |
| 6397434-4-028 | 3/1 Design control — primary reference U.S. Government activity |
| G547-0002-6397434-4-028 | 5/1 Secondary reference U.S. Government activity |
| H547-0001-6397434-4-028 | 5/1 Secondary reference U.S. Government activity |
| 7383858-6397434-4-028 | 5/1 Secondary reference Naval Sea Systems Command |
| 803-6397434-X4XXXX-028 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5330-01-642-3399 is a Retainer,packing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-642-3399 has 6 manufacturer part numbers on file: 7550478-6397434-4-028D4 (Naval Inventory Control Point Mechanicsburg), 7383858-6397434-4-028D4 (Naval Inventory Control Point Mechanicsburg), 6397434-4-028D4 (Naval Inventory Control Point Mechanicsburg), 803-6397434-X4XXXX-028D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-6397434-4-028D4 (Naval Inventory Control Point Mechanicsburg) and 1 more.
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.