The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-474-2252, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 26 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-474-2252 |
| Primary Part Number | AA14520 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Flow Control Device | CONE, TOP GUIDED |
| Valve Stem Design | DOUBLE SEAT |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | SPOOL |
| Body Style | TEE ANGLE |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| First End Thread Class | 2B |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| End Connection Quantity | 3 |
| Outlet Pressure Range | 800.0 TO 1050.0 CAMERA MOUNT |
| Third End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Valve Loading Method | SPRING |
| Third End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED INTERNAL TUBE |
| Third End Thread Class | 2B |
| Third End Connection Type | THREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | FLUID, PETROLEUM BASE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | AUTOMATIC RELIEF VALVE |
| Thread Size and Series/type Designator | 3/4-16 UNF FIRST END |
| Thread Size and Series/type Designator | 7/16-20 UNF THIRD END |
| 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 |
|---|---|
| AA14520 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4820-00-474-2252 is a Valve,regulating,fluid Pressure, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-474-2252 has 1 manufacturer part number on file: AA14520 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for AA14520: Flow Control Device: CONE, TOP GUIDED; Valve Stem Design: DOUBLE SEAT; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL. 26 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.