The Seal,plain Encased, cataloged under National Stock Number 5330-01-507-4287, 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.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-507-4287 |
| Primary Part Number | US73918-02 REV J |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Seal Width | 11.500 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 5.866 INCHES MINIMUM IN |
| Material | COPPER ALLOY AND NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| US73918-02 REV J PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| TYPE M9/STARBOARD | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| US73918-02 REV E | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5330-01-507-4287 is a Seal,plain Encased, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-507-4287 has 1 manufacturer part number on file: US73918-02 REV J (Defense Maritime Solutions, Inc.).
Key specifications for US73918-02 REV J: Seal Width: 11.500 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Case Style: RECESSED; Accommodated Shaft Diameter: 5.866 INCHES MINIMUM IN. 5 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.