The Valve,expansion, cataloged under National Stock Number 4820-01-409-2498, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Drs Environmental Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-409-2498 |
| Primary Part Number | 62263-1 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Temp Rating | 200.0 FAHRENHEIT DEGF |
| Refrigeration Capacity in Btu Per Hour | 60.0 |
| End Connection Quantity | 2 |
| Material | COPPER ALLOY BODY |
| Valve Expansion Control Type | THERMOSTATIC |
| Media for Which Designed | REFRIGERANT 22 |
| 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 |
|---|---|
| 62263-1 PRIMARY | Drs Environmental Systems Inc (USA) |
| Y1037-FV-1/2-200 | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| 62263-1 | 3/9 Design control — primary reference U.S. Government activity |
| 62989 FIND 2 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-409-2498 is a Valve,expansion, manufactured by Drs Environmental Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-409-2498 has 2 manufacturer part numbers on file: 62263-1 (Drs Environmental Systems Inc), Y1037-FV-1/2-200 (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for 62263-1: Temp Rating: 200.0 FAHRENHEIT DEGF; Refrigeration Capacity in Btu Per Hour: 60.0; End Connection Quantity: 2; Special Features: DE-SUPER HEATING TRE V VALVE. 6 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.