The Seal,plain Encased, cataloged under National Stock Number 5330-01-055-6928, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Vanseal Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-055-6928 |
| Primary Part Number | 820-4551455H02 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Vanseal Corp |
| Status | ACTIVE |
| Seal Width | 0.625 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 2.000 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT A |
| Material | RUBBER SYNTHETIC SEALING ELEMENT B |
| 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 |
|---|---|
| 820-4551455H02 PRIMARY | Vanseal Corp (USA) |
| Reference | Meaning |
|---|---|
| 0S-5688 | 5/9 Secondary reference John Crane, Inc |
| PO0050NRP | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| PO010556928 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| LO-010556928 | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| LO1255 | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 820-4551455H02 | 5/9 Secondary reference John Crane, Inc |
| 820-4551455H02 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
| 5-1000-2000-20-110021 | 5/9 Secondary reference John Crane, Inc |
NSN 5330-01-055-6928 is a Seal,plain Encased, manufactured by Vanseal Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-055-6928 has 1 manufacturer part number on file: 820-4551455H02 (Vanseal Corp).
Key specifications for 820-4551455H02: Seal Width: 0.625 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 2.000 INCHES NOMINAL IN; Case Style: RECESSED. 8 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.