The Seal,plain Encased, cataloged under National Stock Number 5330-00-979-4523, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-979-4523 |
| Primary Part Number | 4000T18P01 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Seal Width | 0.594 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 1.750 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.156 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CASE |
| Material | RUBBER SEALING ELEMENT |
| 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 |
|---|---|
| 4000T18P01 | General Electric Company (USA) |
| D56675 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 4000T18P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-979-4523 is a Seal,plain Encased, manufactured by General Electric Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-979-4523 has 2 manufacturer part numbers on file: 4000T18P01 (General Electric Company), D56675 (Eaton Corporation Dba Eaton Inoac Div Eaton).
Key specifications for 4000T18P01: Seal Width: 0.594 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.750 INCHES NOMINAL IN; Case Style: SQUARE. 7 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.