The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-242-9576, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is The Boeing Company. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4810-01-242-9576 |
| Primary Part Number | 145HS204-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Remote Actuation Method | SOLENOID |
| First End Style Designator | MULTI-GROOVED |
| Temp Rating | -50.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | UNABLE TO DECODE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Outside Diameter Tube Accommodated | 0.863 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C BODY |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE |
| 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 |
|---|---|
| 145HS204-2 PRIMARY | The Boeing Company (USA) |
| HP1326200-1 | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| AA-B211-8D31A | 5/9 Secondary reference Pall Aeropower Corporation |
| HP1326200-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-01-242-9576 is a Valve,regulating,fluid Pressure, manufactured by The Boeing Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-242-9576 has 2 manufacturer part numbers on file: 145HS204-2 (The Boeing Company), HP1326200-1 (Tactair Fluid Controls Inc).
Key specifications for 145HS204-2: Flow Control Device: POPPET; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Remote Actuation Method: SOLENOID; First End Style Designator: MULTI-GROOVED. 15 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.