The Stem,fluid Valve, cataloged under National Stock Number 4820-01-340-1552, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-340-1552 |
| Primary Part Number | 27M-34M |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| Valve Type for Which Designed | REGULATOR |
| Stem Actuating End Type | THREADED INTERNALLY |
| Valve Size for Which Designed | 1.313 INCHES AND 1.125 INCHES IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 27M-34M PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| WCM-3080-UEM | D/9 Drawing number reference only Metrex Valve Corp. Dba Metrex Valve Corp |
| WCM-3080-SE/UE ITEM 13 | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 4820-01-340-1552 is a Stem,fluid Valve, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-1552 has 1 manufacturer part number on file: 27M-34M (Metrex Valve Corp. Dba Metrex Valve Corp).
Key specifications for 27M-34M: Valve Type for Which Designed: REGULATOR; Stem Actuating End Type: THREADED INTERNALLY; Valve Size for Which Designed: 1.313 INCHES AND 1.125 INCHES IN; Material: NICKEL ALLOY. 4 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.