The Actuator,electromechanical,rotar, cataloged under National Stock Number 4810-01-220-2211, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Actuator,electromechanical,rotar |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (CAGE 09790) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-220-2211 |
| Primary Part Number | 78955-1 |
| Item Name | Actuator,electromechanical,rotar |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 78955-1 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| Reference | Meaning |
|---|---|
| 78955 | D/9 Drawing number reference only Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
NSN 4810-01-220-2211 is a Actuator,electromechanical,rotar, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-220-2211 has 1 manufacturer part number on file: 78955-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-270-3166. Verify interchangeability with system specifications before substitution.
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 4810-01-220-2211 has DEMIL Code Q. 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.