The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-758-7108, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt Safety Systems Inc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-758-7108 |
| Primary Part Number | 140250-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Second End Seat Angle in Deg | 37.0 |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 3A A |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Temp Rating | -80.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Manual Control Method | SCREW |
| Valve Loading Method | SPRING |
| Mounting Facility | BRACKET |
| Second End Style Designator | FLARED |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM SEAT |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Thread Size and Series/type Designator | 7/16-20 UNF FIRST END |
| Thread Size and Series/type Designator | 3/8-24 UNF SECOND END |
| Filter | NOT INCLUDED |
| Second End Outside Diameter Tube Accommodated | 0.188 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| A51E9050-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| 140250-2 | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| A51E9050-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 140250-2 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
NSN 4820-00-758-7108 is a Valve,regulating,fluid Pressure, manufactured by Meggitt Safety Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-758-7108 has 2 manufacturer part numbers on file: A51E9050-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 140250-2 (Meggitt Safety Systems Inc).
Key specifications for 140250-2: Flow Control Device: POPPET; Second End Seat Angle in Deg: 37.0; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL. 30 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.
NSN 4820-00-758-7108 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.