The Retainer Assembly,actuator, cataloged under National Stock Number 1650-00-612-4573, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-612-4573 |
| Primary Part Number | 249-58744 |
| Item Name | Retainer Assembly,actuator |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; INCL RETAINER 1,BEARING 1; 1.062 IN. DIA MAX; 0.687 IN. DIA MIN; 0.656 IN. LG; 1.375 IN. HEX LARGEST END; THD 1-1/16-12 UN-3A SMALLEST END A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 249-58744 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 249-58744 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-00-612-4573 is a Retainer Assembly,actuator, manufactured by Smith and Smith Aircraft Co, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-612-4573 has 1 manufacturer part number on file: 249-58744 (Smith and Smith Aircraft Co).
Key specifications for 249-58744: General Characteristics Item Description: ALUMINUM ALLOY; INCL RETAINER 1,BEARING 1; 1.062 IN. DIA MAX; 0.687 IN. DIA MIN; 0.656 IN. LG; 1.375 IN. HEX LARGEST END; THD 1-1/16-12 UN-3A SMALLEST END A. 1 specification is 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 1650-00-612-4573 has DEMIL Code B. 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.