The Piston,hydraulic Accumulator, cataloged under National Stock Number 1650-00-494-9587, 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 Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-494-9587 |
| Primary Part Number | A51H10515-11 |
| Item Name | Piston,hydraulic Accumulator |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport |
| Status | ACTIVE |
| 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 |
|---|---|
| A51H10515-11 | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport (USA) |
| A51H10515-11 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| A51H10515 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| A51H10515-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| A51H10515-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 1650-00-494-9587 is a Piston,hydraulic Accumulator, manufactured by Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-494-9587 has 2 manufacturer part numbers on file: A51H10515-11 (Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport), A51H10515-11 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for A51H10515-11: Special Features: ALUMINUM,2.992 IN. DIA,1.875 IN. LG IN; End Item Identification: GRUMMAN AIRCRAFT MODEL F-14A A. 0 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 1650-00-494-9587 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.