The Valve Assembly,pneumatic, cataloged under National Stock Number 1650-00-499-9756, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-499-9756 |
| Item Name | Valve Assembly,pneumatic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | 2.850 IN. O/A LG IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. |
| 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 |
|---|---|
| A51H9104-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| A51H9104-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 280986-0001 | 3/3 Design control — primary reference U.S. Government activity |
NSN 1650-00-499-9756 is a Valve Assembly,pneumatic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-499-9756 has 1 manufacturer part number on file: A51H9104-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for 1650-00-499-9756: General Characteristics Item Description: 2.850 IN. O/A LG IN; End Item Identification: ACFT MODEL F-14A A; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG NO.. 2 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.