The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-662-2000, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hansen Technologies Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-662-2000 |
| Primary Part Number | HA4A 2 INCH AR1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hansen Technologies Corporation |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Body Style | STRAIGHT THRU W/OFFSET |
| Regulation Type | AUTOMATIC DOUBLE STAGE OR MANUAL |
| Temp Rating | -50.0 CELSIUS MINIMUM AND 115.0 CELSIUS MAXIMUM DEGC |
| End Connection Quantity | 2 |
| Valve Size | 2.0 INCHES IN |
| Valve Loading Method | STEM |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL STEM |
| Media for Which Designed | FREON USE REFRIGERANT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| HA4A 2 INCH AR1 PRIMARY | Hansen Technologies Corporation (USA) |
| 40099834 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
NSN 4810-01-662-2000 is a Valve,regulating,fluid Pressure, manufactured by Hansen Technologies Corporation, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-662-2000 has 2 manufacturer part numbers on file: HA4A 2 INCH AR1 (Hansen Technologies Corporation), 40099834 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
Key specifications for HA4A 2 INCH AR1: Flow Control Device: STEM; Body Style: STRAIGHT THRU W/OFFSET; Regulation Type: AUTOMATIC DOUBLE STAGE OR MANUAL; Temp Rating: -50.0 CELSIUS MINIMUM AND 115.0 CELSIUS MAXIMUM DEGC. 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.