The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-533-4633, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Fisher Controls Co Inc (CAGE 22508) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-533-4633 |
| Primary Part Number | 98H-33 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 154.0 MILLIMETERS NOMINAL MM |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Temp Rating | 406.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Valve Size | 1.000 INCHES IN |
| Valve Loading Method | SPRING |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | STEAM OR WATER, OIL OR GAS |
| 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 |
|---|---|
| 98H-33 PRIMARY | Fisher Controls Co Inc (USA) |
NSN 4810-01-533-4633 is a Valve,regulating,fluid Pressure, manufactured by Fisher Controls Co Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-533-4633 has 1 manufacturer part number on file: 98H-33 (Fisher Controls Co Inc).
Key specifications for 98H-33: Flow Control Device: DIAPHRAGM; Body Style: STRAIGHT THRU; Face to Face Distance: 154.0 MILLIMETERS NOMINAL MM; Regulation Type: AUTOMATIC SINGLE STAGE. 13 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.