The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-161-0937, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-161-0937 |
| Primary Part Number | RVN5200125F |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| RVN5200125F PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| RVN5200-125C 1 1/4IN MOD | 3/9 Design control — primary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| RVN5200-125 | D/9 Drawing number reference only Metrex Valve Corp. Dba Metrex Valve Corp |
| RVN5200125F 1-1/4 | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| RVN5200-125 1 1/4IN MOD | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| RVN5200-125 1 1 | C/1 Advisory reference — outside the item-of-supply concept Metrex Valve Corp. Dba Metrex Valve Corp |
| RVN5200-125C (1 1/4) | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
NSN 4820-01-161-0937 is a Valve,regulating,fluid Pressure, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-161-0937 has 1 manufacturer part number on file: RVN5200125F (Metrex Valve Corp. Dba Metrex Valve Corp).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-185-7938, 4820-01-186-3672, 4820-01-187-6942. Verify interchangeability with system specifications before substitution.
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.