The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-266-9529, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 24 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-266-9529 |
| Primary Part Number | 4824-3161864REV2PC1 1-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | POPPET |
| Renewable Seat Ring Type | THREADED |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | BELLOWS |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 8.938 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Flange Thickness | 0.250 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 5.063 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| First End Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 3.938 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 80.0 TO 150.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | NICKEL ALLOY AND COPPER ALLOY SEAT |
| Material | COPPER ALLOY STEM |
| Media for Which Designed | WATER, FRESH |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | INTERNAL PILOT VALVE |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 4824-3161864REV2PC1 1-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| CW3199NFPC11-2 | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| CW3095NF | 5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp |
| 4824-3161864REV2PC1 1-2 | 5/9 Secondary reference U.S. Government activity |
| CW3095NF | 5/9 Secondary reference Metropolitan Electric Mfg Co |
| CW3199NFPC1 1-2 | 5/9 Secondary reference Metropolitan Electric Mfg Co |
NSN 4820-00-266-9529 is a Valve,regulating,fluid Pressure, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-266-9529 has 1 manufacturer part number on file: 4824-3161864REV2PC1 1-2 (Naval Sea Systems Command).
Key specifications for 4824-3161864REV2PC1 1-2: First End Bolt Hole Quantity: 4; Flow Control Device: POPPET; Renewable Seat Ring Type: THREADED; Second End Relationship with First End: IDENTICAL. 24 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.