The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-413-0088, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-413-0088 |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Manual Control Method | SCREW |
| Valve Loading Method | SPRING |
| Second End Style Designator | PLAIN |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | REFRIGERANT R-22 |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | UNTHREADED EXTERNAL TUBE |
| Filter | NOT INCLUDED |
| Second End Outside Diameter Tube Accommodated | 0.250 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 |
| Reference | Meaning |
|---|---|
| 104A-607 | 3/9 Design control — primary reference Eaton Corp Controls Div |
| 44715 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-413-0088 is a Valve,regulating,system Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3460-01-586-4526. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-413-0088: Flow Control Device: BALL; Second End Relationship with First End: NOT IDENTICAL; Remote Actuation Method: DIAPHRAGM; Body Style: ANGLE. 20 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.