The Accumulator,hydraulic, cataloged under National Stock Number 1650-00-451-7633, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-00-451-7633 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Bleeder Opening | NOT INCLUDED |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Port Screw Thread Diameter | 0.500 INCHES NOMINAL IN |
| Port Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Shape | CYLINDRICAL |
| Port Screw Thread Quantity Per Inch | 16.000 |
| Thread Class | 3B |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| 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 |
|---|---|
| A51H9043-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 2690364M1 | 3/3 Design control — primary reference U.S. Government activity |
| A51H9043-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1650-00-451-7633 is a Accumulator,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-451-7633 has 1 manufacturer part number on file: A51H9043-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for 1650-00-451-7633: Bleeder Opening: NOT INCLUDED; Overall Diameter: 3.500 INCHES NOMINAL IN; Port Screw Thread Diameter: 0.500 INCHES NOMINAL IN; Port Screw Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF). 8 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.
NSN 1650-00-451-7633 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.