The Retainer,packing, cataloged under National Stock Number 5330-01-554-5503, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Retainer,packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6); Wartsila Netherlands (CAGE H1512) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-554-5503 |
| Primary Part Number | U000003531 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Defense Maritime Solutions, Inc. |
| 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 |
|---|---|
| U000003531 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| PAAI005811 ITEM 020 | Wartsila Netherlands (NLD) |
NSN 5330-01-554-5503 is a Retainer,packing, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-554-5503 has 2 manufacturer part numbers on file: U000003531 (Defense Maritime Solutions, Inc.), PAAI005811 ITEM 020 (Wartsila Netherlands).
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.