The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-689-9004, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 19 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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-689-9004 |
| Primary Part Number | EGSE-1/2-SC3/8"X1/2"X1/4"ODFX5' |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | NOT IDENTICAL |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| Temp Rating | -10.0 CELSIUS MAXIMUM DEGC |
| End Connection Quantity | 3 |
| Third End Outside Diameter Tube Accommodated | 0.25 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| Surface Treatment | SILVER OUTSIDE |
| Third End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Media for Which Designed | AIR AND WATER |
| Second End Connection Type | UNTHREADED INTERNAL TUBE |
| Furnished Items | INLET STRAINER AND SOLENOID VALVE |
| Filter | INCLUDED |
| Second End Outside Diameter Tube Accommodated | 0.5 INCHES NOMINAL IN |
| 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 |
|---|---|
| EGSE-1/2-SC3/8"X1/2"X1/4"ODFX5' PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
NSN 4820-01-689-9004 is a Valve,regulating,system Pressure, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-689-9004 has 1 manufacturer part number on file: EGSE-1/2-SC3/8"X1/2"X1/4"ODFX5' (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for EGSE-1/2-SC3/8"X1/2"X1/4"ODFX5': Flow Control Device: DIAPHRAGM; Second End Relationship with First End: NOT IDENTICAL; Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END; First End Style Designator: PLAIN. 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.