The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-350-9129, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-350-9129 |
| Primary Part Number | CP800R |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Flow Control Device | DISK, TOP GUIDED |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | FLARE |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 40.0 CAMERA MOUNT |
| Valve Loading Method | WEIGHT |
| Second End Style Designator | FLARE |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.625 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | REFRIGERANT, NONCORROSIVE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | UNTHREADED INTERNAL TUBE |
| Filter | NOT INCLUDED |
| Second End Outside Diameter Tube Accommodated | 0.500 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 |
|---|---|
| CP800R PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| D661-1219 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-00-350-9129 is a Valve,regulating,fluid Pressure, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-350-9129 has 1 manufacturer part number on file: CP800R (Emerson Electric Co Alco Controls Div).
Key specifications for CP800R: Flow Control Device: DISK, TOP GUIDED; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE; Regulation Type: AUTOMATIC SINGLE STAGE. 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.