The Valve,safety Relief, cataloged under National Stock Number 4820-00-499-6466, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 21 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-499-6466 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Nominal Outside Diameter Tube Accommodated | 0.438 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| W8119568PC73 | 5/9 Secondary reference General Electric Company |
| C19A284 | 5/9 Secondary reference General Electric Company |
| W8119089PC73 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| A19A284 | 3/9 Design control — primary reference U.S. Government activity |
| W8119089PC73 | 5/9 Secondary reference General Electric Company |
| W8119589PC73 | 5/9 Secondary reference General Electric Company |
| W8119509PC73 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| PP8151554PC31 | 5/9 Secondary reference General Electric Company |
| A19A284 | 5/9 Secondary reference General Electric Company |
| PP8151554PC31 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| W8119038PC73 | 5/9 Secondary reference General Electric Company |
| 19A19A284 | 5/9 Secondary reference General Electric Company |
| W8119509PC73 | 5/9 Secondary reference General Electric Company |
| W8119589PC73 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| A19A284 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| W8119568PC73 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| A19A284 | 5/9 Secondary reference Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc |
| W8119569PC73 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| 19A19A284 | 5/9 Secondary reference General Electric Co Air Conditioning Division of Consumer Products Group |
| W8119569PC73 | 5/9 Secondary reference General Electric Company |
NSN 4820-00-499-6466 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-499-6466: Flow Control Device: BALL; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.