The Valve,solenoid, cataloged under National Stock Number 4810-01-023-0796, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Engine Systems, Inc.. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-023-0796 |
| Primary Part Number | 603-188 |
| Item Name | Valve,solenoid |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Engine Systems, Inc. |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Phase | SINGLE |
| Frequency in Hertz | 5.5 |
| Voltage in Volts and Current Type | 110.0 AC |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, FRESH FIFTH RESPONSE |
| Media for Which Designed | GAS, INERT SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | STEAM FOURTH RESPONSE |
| Media for Which Designed | LIQUID, INGESTED THIRD RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | SOLENOID |
| Inlet/outlet Operating Pressure Differential | 125.0 POUNDS PER SQUARE INCH NOMINAL LBS |
| Flow Control Device Normal Operation Position | CLOSED |
| 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 |
|---|---|
| 210CA3-4B3-4B | Emerson Electric Co Alco Controls Div (USA) |
| 603-188 PRIMARY | Engine Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 603-188 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-01-023-0796 is a Valve,solenoid, manufactured by Engine Systems, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-023-0796 has 2 manufacturer part numbers on file: 210CA3-4B3-4B (Emerson Electric Co Alco Controls Div), 603-188 (Engine Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1640-01-578-4698. Verify interchangeability with system specifications before substitution.
Key specifications for 603-188: Flow Control Device: DIAPHRAGM; Phase: SINGLE; Frequency in Hertz: 5.5; Voltage in Volts and Current Type: 110.0 AC. 24 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.