The Valve,ball, cataloged under National Stock Number 4820-01-408-2585, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dean & Wood Ltd. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-408-2585 |
| Primary Part Number | V34207 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dean & Wood Ltd |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 INDICATOR |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.375 INCHES ALL ENDS IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Media for Which Designed | REFRIGERANT 12 FIRST RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| V34207 | Dean & Wood Ltd (GBR) |
| 002594420 ITEM 54 | Ministry of Defence (navy) Ships Support Agency (GBR) |
| 426L61000-M01 ITEM 54 | Johnson Controls Ltd, York Navy Systems (GBR) |
| 268L61372-M00 | Johnson Controls Ltd, York Navy Systems (GBR) |
| 002594420/54 | Ministry of Defence (navy) Ships Support Agency (GBR) |
| 1645 | Dean & Wood Ltd (GBR) |
| 426L61000-M01/54 | Johnson Controls Ltd, York Navy Systems (GBR) |
| Reference | Meaning |
|---|---|
| V34207 | 3/9 Design control — primary reference Jb Industries Inc |
NSN 4820-01-408-2585 is a Valve,ball, manufactured by Dean & Wood Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-408-2585 has 7 manufacturer part numbers on file: V34207 (Dean & Wood Ltd), 002594420 ITEM 54 (Ministry of Defence (navy) Ships Support Agency), 426L61000-M01 ITEM 54 (Johnson Controls Ltd, York Navy Systems), 268L61372-M00 (Johnson Controls Ltd, York Navy Systems), 002594420/54 (Ministry of Defence (navy) Ships Support Agency) and 2 more.
Key specifications for V34207: Furnished Items and Quantity: 1 INDICATOR; Connection Style: SOCKET (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 12 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.