The Actuator,electromechanical,rotar, cataloged under National Stock Number 4810-01-549-3707, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4810-01-549-3707 |
| Primary Part Number | MS4120F-1204 |
| Item Name | Actuator,electromechanical,rotar |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Voltage in Volts | 120.0 |
| Current Rating in Amps | 0.3 |
| 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 |
|---|---|
| MS4120F-1204 PRIMARY | Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group (USA) |
| 00383024 | Greenheck Fan Corporation Dba Greenheck Fan Corp (USA) |
| Reference | Meaning |
|---|---|
| MS4120F-1204 | 5/9 Secondary reference Honeywell International Inc Div Environmental Systems & Services |
NSN 4810-01-549-3707 is a Actuator,electromechanical,rotar, manufactured by Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-549-3707 has 2 manufacturer part numbers on file: MS4120F-1204 (Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group), 00383024 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-643-1222. Verify interchangeability with system specifications before substitution.
Key specifications for MS4120F-1204: Frequency in Hertz: 60.0; Current Type: AC; Voltage in Volts: 120.0; Part Name Assigned by Controlling Agency: AUTOMATIC FIRE DAMPER ACTUATOR. 4 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.