The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-133-8445, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-133-8445 |
| Primary Part Number | FN03-20 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Second End Relationship with First End | IDENTICAL |
| Regulation Type | MANUAL SINGLE STAGE |
| End Connection Quantity | 3 |
| Media for Which Designed | HYDRAULIC OIL |
| Thread Size and Series/type Designator | 3/8-18 NPTF FIRST 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 |
|---|---|
| 91630793 | Thales Sa (FRA) |
| FN03-20 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| L15N03-20 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| NAECDWG509956 1 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| L1FN03-20 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| 509956-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4820-00-133-8445 is a Valve,regulating,fluid Pressure, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-133-8445 has 3 manufacturer part numbers on file: 91630793 (Thales Sa), FN03-20 (Eaton Aerospace, Llc Dba Jackson South), L15N03-20 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for FN03-20: Second End Relationship with First End: IDENTICAL; Regulation Type: MANUAL SINGLE STAGE; End Connection Quantity: 3; Media for Which Designed: HYDRAULIC OIL. 6 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.