The Actuator,electromechanical,rotar, cataloged under National Stock Number 4810-01-273-1145, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-273-1145 |
| Primary Part Number | 3H8972-A |
| Item Name | Actuator,electromechanical,rotar |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| Duty Cycle | CONTINUOUS |
| Drive Type | DIRECT |
| Shaft Rotation Direction | CLOCKWISE |
| Angular Shaft Rotation | LIMITED |
| Limit Switch Control | NOT INCLUDED |
| 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 |
|---|---|
| 3H8972-A PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| Reference | Meaning |
|---|---|
| 01-435-0307-5 | D/9 Drawing number reference only Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
NSN 4810-01-273-1145 is a Actuator,electromechanical,rotar, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-273-1145 has 1 manufacturer part number on file: 3H8972-A (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-273-1153, 4810-01-273-1386. Verify interchangeability with system specifications before substitution.
Key specifications for 3H8972-A: Duty Cycle: CONTINUOUS; Drive Type: DIRECT; Shaft Rotation Direction: CLOCKWISE; Angular Shaft Rotation: LIMITED. 5 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.