The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-472-8933, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-472-8933 |
| Primary Part Number | EAOCM-814NF2-3W |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 14 |
| Third End Flange Outside Diameter | 12.375 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Flange Thickness | 1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| First End Flange Outside Diameter | 12.375 INCHES NOMINAL IN |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Second End Bolt Hole Quantity | 14 |
| First End Bolt Hole Diameter | 0.687 INCHES NOMINAL IN |
| End Connection Quantity | 3 |
| Second End Flange Thickness | 1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Manual Control Method | WHEEL |
| Valve Loading Method | SPRING |
| Mounting Facility | BOLTS |
| Third End Flange Thickness | 1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Second End Style Designator | PLAIN |
| Second End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Connection Type | PLAIN FACE FLANGE |
| Second End Flange Outside Diameter | 12.375 INCHES NOMINAL IN |
| Third End Bolt Hole Quantity | 14 |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Third End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | WATER, SALT |
| Third End Style Designator | PLAIN |
| Third End Bolt Hole Diameter | 0.687 INCHES NOMINAL IN |
| Filter | NOT INCLUDED |
| Second End Bolt Hole Diameter | 0.687 INCHES NOMINAL IN |
| 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 |
|---|---|
| EAOCM816NF23W | Steel Tool & Engineering Co (USA) |
| 022-09696A | Johnson Controls Navy Systems, Llc (USA) |
| EAOCM-814NF2-3W PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
NSN 4810-01-472-8933 is a Valve,regulating,fluid Pressure, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-472-8933 has 3 manufacturer part numbers on file: EAOCM816NF23W (Steel Tool & Engineering Co), 022-09696A (Johnson Controls Navy Systems, Llc), EAOCM-814NF2-3W (Metrex Valve Corp. Dba Metrex Valve Corp).
4 possible matches (shared part number, not a government interchangeability claim): 4810-01-472-8982, 4810-01-472-9193, 4810-01-472-9304. Verify interchangeability with system specifications before substitution.
Key specifications for EAOCM-814NF2-3W: First End Bolt Hole Quantity: 14; Third End Flange Outside Diameter: 12.375 INCHES NOMINAL IN; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 29 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.