The Accumulator,hydraulic, cataloged under National Stock Number 1650-01-122-7091, 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 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-122-7091 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Bleeder Opening | NOT INCLUDED |
| Shape | CYLINDRICAL |
| Operating Pressure | 3350.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG 145HS656-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 145HS656-1 | The Boeing Company (USA) |
| 145HS656-1A | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 60910 | 3/3 Design control — primary reference U.S. Government activity |
NSN 1650-01-122-7091 is a Accumulator,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-122-7091 has 2 manufacturer part numbers on file: 145HS656-1 (The Boeing Company), 145HS656-1A (The Boeing Company).
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-163-7212, 1650-01-285-3017. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-122-7091: Bleeder Opening: NOT INCLUDED; Shape: CYLINDRICAL; Overall Length: 5.660 INCHES MINIMUM AND 5.720 INCHES MAXIMUM IN; Operating Pressure: 3350.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 4 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 1650-01-122-7091 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.