The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-346-8766, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bellofram Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-346-8766 |
| Primary Part Number | 231-960-207-000 |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | CROSS |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 4 |
| Outlet Pressure Range | 1.0 TO 30.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Fourth End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| Material | ALUMINUM SEAT |
| Material | ALUMINUM STEM |
| Material | ALUMINUM FLOW CONTROL DEVICE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | ALUMINUM BODY |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1/8-27 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 |
|---|---|
| 231-960-207-000 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 231-960-207-000 | 5/9 Secondary reference Bellofram Corp Diaphragm Div |
| 6511593 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
NSN 4820-01-346-8766 is a Valve,regulating,system Pressure, manufactured by Bellofram Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-346-8766 has 1 manufacturer part number on file: 231-960-207-000 (Bellofram Corporation).
Key specifications for 231-960-207-000: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM. 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.