The Servovalve,hydraulic, cataloged under National Stock Number 4810-01-129-8394, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-129-8394 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A22307 | 3/2 Design control — primary reference U.S. Government activity |
| 65652-03172-112 | 7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4810-01-129-8394 is a Servovalve,hydraulic, classified under FSC 4810, Valves, Powered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7690-01-574-5349. Verify interchangeability with system specifications before substitution.
Key specifications for 4810-01-129-8394: Special Features: 2.120 IN. L,1.760 IN. W,2.540 IN. H,O/A DIM.;OPERATING PRESSURE 3000 PSI;SOLENOID ELECTRICAL HYD SYSTEM;THE VALVE INTENDED USE IS CONTROLLING THE MVT OF ACFT STICK TRIM ACTUATOR;SAME AS P/N 65652-03172-11 EXC FOR LOCATION OF MTG HOLES IN; End Item Identification: AIRCRAFT MODEL CH-53E. 0 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 4810-01-129-8394 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.