The Actuator,hydraulic, cataloged under National Stock Number 4920-01-214-2407, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-214-2407 |
| Primary Part Number | A51S31270-15 |
| Item Name | Actuator,hydraulic |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CHROME PLATE; MOUNTING STYLE B; RECTANGULAR FLANGE MOUNT HEAD END AND STYLE H SIDE FLUSH MOUNT; FLUID MIL-H-5606 HYDRAULIC OIL; 4.000 IN. BORE; 1.750 IN. ROD DIA; PISTON-VEE TYPE; ROD END STYLE SF FEMALE THD 1.250 IN. PORT LOCATION NO. 1 EA END; 3000 PSI MAX IN |
| 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 |
|---|---|
| A51S31270-15 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51S31270-15 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51S31270-15 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| BM-2462-TS | 3/2 Design control — primary reference U.S. Government activity |
| GA505F2 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4920-01-214-2407 is a Actuator,hydraulic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-214-2407 has 1 manufacturer part number on file: A51S31270-15 (Northrop Grumman Systems Corporation).
Key specifications for A51S31270-15: General Characteristics Item Description: CHROME PLATE; MOUNTING STYLE B; RECTANGULAR FLANGE MOUNT HEAD END AND STYLE H SIDE FLUSH MOUNT; FLUID MIL-H-5606 HYDRAULIC OIL; 4.000 IN. BORE; 1.750 IN. ROD DIA; PISTON-VEE TYPE; ROD END STYLE SF FEMALE THD 1.250 IN. PORT LOCATION NO. 1 EA END; 3000 PSI MAX IN; End Item Identification: UNIVERSAL FIXTURE-ACTUATOR/SERVO CYLINDER TEST. 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.
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.