The Seal,plain Encased, cataloged under National Stock Number 5330-01-347-8274, 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. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-347-8274 |
| Primary Part Number | 583-6743687-PIECE 159 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Seal Width | 0.375 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL-ANGULAR |
| Housing Bore Diameter | 2.623 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.437 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A |
| Material | STEEL CASE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B |
| Material | STEEL CORROSION RESISTING SPRING |
| 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 |
|---|---|
| 473437 | Federal-Mogul Corp Government Sales Dept (USA) |
| 583-6743687-PIECE 159 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 437437 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 473437 | 5/9 Secondary reference Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
NSN 5330-01-347-8274 is a Seal,plain Encased, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-347-8274 has 2 manufacturer part numbers on file: 473437 (Federal-Mogul Corp Government Sales Dept), 583-6743687-PIECE 159 (Naval Sea Systems Command).
Key specifications for 583-6743687-PIECE 159: Seal Width: 0.375 INCHES NOMINAL IN; Sealing Element Style: VERTICAL-ANGULAR; Housing Bore Diameter: 2.623 INCHES NOMINAL IN; Case Style: SQUARE. 9 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.