The Seal,plain, cataloged under National Stock Number 5330-00-286-1195, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-286-1195 |
| Primary Part Number | YB287-1020REV4PT5 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Seal Width | 0.500 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.937 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 2.938 INCHES NOMINAL IN |
| Material | STEEL SPRING |
| Construction | SOLID |
| 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 |
|---|---|
| YB287-1020REV4PT5 | Raytheon Company Dba Raytheon Co (USA) |
| S287-1020ISSUE13PT5 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| S287-1020ISSUE13PT5 | 5/9 Secondary reference Raytheon Company Div Corp |
| YB287-1020REV4PT5 | 5/9 Secondary reference Raytheon Company Div Corp |
| S287-1020ISSUE13PT5 | 3/2 Design control — primary reference U.S. Government activity |
| YB287-1020REV4PT5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-286-1195 is a Seal,plain, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-286-1195 has 2 manufacturer part numbers on file: YB287-1020REV4PT5 (Raytheon Company Dba Raytheon Co), S287-1020ISSUE13PT5 (Raytheon Company Dba Raytheon Co).
Key specifications for YB287-1020REV4PT5: Seal Width: 0.500 INCHES NOMINAL IN; Housing Bore Diameter: 3.937 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 2.938 INCHES NOMINAL IN. 6 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.