The Valve,solenoid, cataloged under National Stock Number 4810-00-504-8718, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-00-504-8718 |
| Primary Part Number | B9S2 |
| Item Name | Valve,solenoid |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Phase | SINGLESINGLE |
| Frequency in Hertz | 60.060.0 |
| Voltage in Volts and Current Type | 24.0 AC24.0 AC |
| Connection Style | PLAIN (TUBE) FIRST ENDPLAIN (TUBE) FIRST END |
| Connection Style | SOCKET (TUBE) SECOND ENDSOCKET (TUBE) SECOND END |
| Mounting Position | HORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND ENDUNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST ENDUNTHREADED EXTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRUSTRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END0.625 INCHES FIRST END IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Aperture Diameter | 0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Media for Which Designed | REFRIGERANT 12 FIRST RESPONSE |
| Media for Which Designed | REFRIGERANT R-502 THIRD RESPONSE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICESTEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | RUBBER SYNTHETIC SEATRUBBER SYNTHETIC SEAT |
| Valve Operation Method | SOLENOIDSOLENOID |
| Inlet/outlet Operating Pressure Differential | 300.0 POUNDS PER SQUARE INCH MAXIMUM300.0 POUNDS PER SQUARE INCH MAXIMUM LBS |
| Current Rating in Amps | 0.6250.625 |
| Flow Control Device Normal Operation Position | OPEN |
| 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 |
|---|---|
| B9S2 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| 55198 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-504-8718 is a Valve,solenoid, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-504-8718 has 1 manufacturer part number on file: B9S2 (Parker-Hannifin Corp Div Sporlan Division).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-647-8032. Verify interchangeability with system specifications before substitution.
Key specifications for B9S2: Flow Control Device: DISKDISK; Phase: SINGLESINGLE; Frequency in Hertz: 60.060.0; Voltage in Volts and Current Type: 24.0 AC24.0 AC. 23 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.