The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-256-6543, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-256-6543 |
| Primary Part Number | 30812076 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 8 |
| Flow Control Device | DISK, FLAT |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | THREADED |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 11.563 INCHES MINIMUM AND 11.687 INCHES MAXIMUM IN |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Flange Thickness | 0.500 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 7.188 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Temp Rating | 165.0 FAHRENHEIT NOMINAL DEGF |
| First End Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 6.062 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 60.0 CAMERA MOUNT |
| Manual Control Method | SCREW |
| Valve Loading Method | SPRING |
| Nondefinitive Spec/std Data | 2 TYPE |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | NICKEL ALLOY AND COPPER ALLOY SEAT |
| Material | PLASTIC POLYURETHANE FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY K-500 STEM |
| Media for Which Designed | WATER, SALT |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 30812076 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 436-3 1-2IN | 5/9 Secondary reference Warren Controls, Inc. |
| 30812260 | 5/9 Secondary reference Warren Controls, Inc. |
| MIL-V-2042 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-256-6543 is a Valve,regulating,fluid Pressure, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-256-6543 has 1 manufacturer part number on file: 30812076 (Warren Controls, Inc.).
Key specifications for 30812076: First End Bolt Hole Quantity: 8; Flow Control Device: DISK, FLAT; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: THREADED. 27 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.