The Servovalve,hydraulic, cataloged under National Stock Number 1650-00-451-7686, 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 Tactair Fluid Controls Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-451-7686 |
| Primary Part Number | HP1124100-1 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY FSCM 26512 SOURCE CONTROL DWG NO. A51H9022-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| HP1124100-1 | Tactair Fluid Controls Inc (USA) |
| A51H9022-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| HP1124100-1 | 5/9 Secondary reference U.S. Government activity |
| A51H9022-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 1650-00-451-7686 is a Servovalve,hydraulic, manufactured by Tactair Fluid Controls Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-451-7686 has 2 manufacturer part numbers on file: HP1124100-1 (Tactair Fluid Controls Inc), A51H9022-1 (Northrop Grumman Systems Corporation).
Key specifications for HP1124100-1: Special Features: 5.245 IN. L,2.000 IN. W,2.750 IN. H IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY FSCM 26512 SOURCE CONTROL DWG NO. A51H9022-1. 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 1650-00-451-7686 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.