The Retainer,packing, cataloged under National Stock Number 5330-01-320-7201, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Textron Systems Corp (CAGE 50079); Essence Design Inc (CAGE 0E7A6); Naval Sea Systems Command (CAGE 53711); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-320-7201 |
| Primary Part Number | 5750315-003 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 5750315-003 | Textron Systems Corp (USA) |
| 5750315-003 | Essence Design Inc (USA) |
| 5750315-003 PRIMARY | Naval Sea Systems Command (USA) |
| 77946 | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 77946 | 5/9 Secondary reference Wartsila Lips Inc |
| 77946 | 5/9 Secondary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
NSN 5330-01-320-7201 is a Retainer,packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-320-7201 has 4 manufacturer part numbers on file: 5750315-003 (Textron Systems Corp), 5750315-003 (Essence Design Inc), 5750315-003 (Naval Sea Systems Command), 77946 (Defense Maritime Solutions, 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.