The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-313-5430, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-313-5430 |
| Primary Part Number | MDFPM3120CNF3WTB |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DISK, DUAL |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| Face to Face Distance | 10.875 INCHES NOMINAL IN |
| First End Flange Thickness | 0.750 INCHES NOMINAL IN |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| First Connection Face to Centerline Distance | 4.000 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 6.000 INCHES NOMINAL IN |
| End Connection Quantity | 3 |
| Valve Loading Method | BELLOWS |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | BRONZE SEAT |
| Material | NICKEL ALLOY STEM |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| 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 |
|---|---|
| MDFPM3120CNF3WTB PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| MDFPM3120C3W/MDFPM2120CNF3WTC | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| MDFPM3120C-NF-3W-TC | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 4820-01-313-5430 is a Valve,regulating,fluid Pressure, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-313-5430 has 1 manufacturer part number on file: MDFPM3120CNF3WTB (Metrex Valve Corp. Dba Metrex Valve Corp).
Key specifications for MDFPM3120CNF3WTB: First End Bolt Hole Quantity: 4; Flow Control Device: DISK, DUAL; Second End Relationship with First End: IDENTICAL; Body Style: TEE. 18 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.