The Servovalve,hydraulic, cataloged under National Stock Number 4820-01-007-3723, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-007-3723 |
| Primary Part Number | ESGA4-3100A-03UX-MECH-21 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Port Quantity | 4 |
| Body Material | ALUMINUM ALLOY |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| ESGA4-3100A-03UX-MECH-21 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 1999078PC5 | 5/9 Secondary reference Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
| 1999078-5 | 5/9 Secondary reference Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
NSN 4820-01-007-3723 is a Servovalve,hydraulic, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-007-3723 has 1 manufacturer part number on file: ESGA4-3100A-03UX-MECH-21 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for ESGA4-3100A-03UX-MECH-21: Port Quantity: 4; Body Material: ALUMINUM ALLOY; Special Features: 4 MOUNTING HOLES; 6.625 IN. LG; 3.385 IN. THK; 3.400 IN. W IN; Valve Operation Method: HYDRAULIC. 3 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.