The Valve,solenoid, cataloged under National Stock Number 4810-01-019-4774, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-019-4774 |
| Primary Part Number | 8320A90 28VDC |
| Item Name | Valve,solenoid |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Voltage in Volts and Current Type | 28.0 DC |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | CROSS |
| Operating Pressure | 110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Aperture Diameter | 0.094 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | SOLENOID |
| Inlet/outlet Operating Pressure Differential | 65.0 POUNDS PER SQUARE INCH NOMINAL LBS |
| Current Rating in Amps | 0.346 |
| 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 |
|---|---|
| 8320A90 28VDC PRIMARY | Automatic Switch Company Dba Asco (USA) |
| 604AS300-73 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 8320A90 | 5/9 Secondary reference U.S. Government activity |
| 04F30C2106AIFEC80 | 5/9 Secondary reference U.S. Government activity |
| 8320A90 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| 04F30C2106AIFEC80 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4810-01-019-4774 is a Valve,solenoid, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-019-4774 has 2 manufacturer part numbers on file: 8320A90 28VDC (Automatic Switch Company Dba Asco), 604AS300-73 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 8320A90 28VDC: Flow Control Device: DISK; Voltage in Volts and Current Type: 28.0 DC; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL. 19 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.