The Servovalve,hydraulic, cataloged under National Stock Number 4810-01-560-6752, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4810-01-560-6752 |
| Primary Part Number | 771-261B |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Port Diameter | 0.191 INCHES NOMINAL IN |
| Port Quantity | 4 |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Material | ALUMINUM |
| O-Ring Material | RUBBER FLUOROCARBON CLASS FPM |
| Supply Pressure | 1000.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 2.5 GALLONS PER MINUTE |
| Valve Operation Method | SOLENOID |
| 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 |
|---|---|
| 771F261H10F0FMAVA4 | Moog Military Aircraft Llc (USA) |
| 771-261B PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 771F261H10F0FMAVA4 | 5/9 Secondary reference U.S. Government activity |
| 771-261B | 5/9 Secondary reference U.S. Government activity |
NSN 4810-01-560-6752 is a Servovalve,hydraulic, manufactured by Moog Military Aircraft Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-560-6752 has 2 manufacturer part numbers on file: 771F261H10F0FMAVA4 (Moog Military Aircraft Llc), 771-261B (Moog Military Aircraft Llc).
Key specifications for 771-261B: Overall Height: 2.810 INCHES NOMINAL IN; Port Diameter: 0.191 INCHES NOMINAL IN; Port Quantity: 4; Overall Length: 3.760 INCHES NOMINAL IN. 8 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.