The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-145-9528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Controls Corp of America. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-9528 |
| Primary Part Number | 212-2351-580 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Controls Corp of America |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 13.0 TO 40.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | PLASTIC POLYESTER SEAT |
| Media for Which Designed | NITROGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.250-18 NPT FIRST END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 212-2351-580 PRIMARY | Controls Corp of America (USA) |
| 212-2351-580 | Central Ohio Welding Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 043-31205 | 5/9 Secondary reference Airco Inc Airco Industrial Gases Div |
| 041-223331 | 5/9 Secondary reference Airco Inc Airco Industrial Gases Div |
| 043-31205 | 5/9 Secondary reference Airco Special Gases Div of the B O C Group Inc |
| C10156 | D/9 Drawing number reference only U.S. Government activity |
| C10156-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-145-9528 is a Valve,regulating,fluid Pressure, manufactured by Controls Corp of America, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-145-9528 has 2 manufacturer part numbers on file: 212-2351-580 (Controls Corp of America), 212-2351-580 (Central Ohio Welding Co Inc).
Key specifications for 212-2351-580: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 17 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.