The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-129-6417, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-129-6417 |
| Primary Part Number | DA867P37UEM1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| Flow Control Device | BELLOWS |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | THREADED |
| Regulation Type | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Quantity | 2 |
| Valve Loading Method | BELLOWS AND SPRING |
| Material | NICKEL ALLOY AND COPPER ALLOY SEAT |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Media for Which Designed | WATER, SALT |
| 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 |
|---|---|
| DA867P37UEM1 PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| DA867P3-8IN | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| DA867P37UEMII | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 4820-00-129-6417 is a Valve,regulating,fluid Pressure, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-129-6417 has 1 manufacturer part number on file: DA867P37UEM1 (Metrex Valve Corp. Dba Metrex Valve Corp).
Key specifications for DA867P37UEM1: Flow Control Device: BELLOWS; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: THREADED; Regulation Type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC. 12 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.