The Accumulator,hydraulic, cataloged under National Stock Number 1650-01-701-4167, 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 Flexial Corp Div Flexial Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-701-4167 |
| Primary Part Number | 61629-A6 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Flexial Corp Div Flexial Corporation |
| Status | ACTIVE |
| Shape | CYLINDRICAL |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Separator Type | CYLINDRICAL |
| 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 |
|---|---|
| 61629-A6 PRIMARY | Flexial Corp Div Flexial Corporation (USA) |
| Reference | Meaning |
|---|---|
| 61629-CMM REV C | D/9 Drawing number reference only Flexial Corp Div Flexial Corporation |
NSN 1650-01-701-4167 is a Accumulator,hydraulic, manufactured by Flexial Corp Div Flexial Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-701-4167 has 1 manufacturer part number on file: 61629-A6 (Flexial Corp Div Flexial Corporation).
Key specifications for 61629-A6: Shape: CYLINDRICAL; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Special Features: MAINTENANCE FREE ACCUMULATORS. IN ITS PRESSURIZED STATE, THE ACCUMULATOR IS CLASSIFIED BY THE INTERNATIONAL CIVIL AVIATION ORGANIZATION (ICAO) AND THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION (PHMSA) AS A DANGEROUS GOOD. WHEN THIS ACCUMULATOR IS NOT IN USE BUT BEING TRANSPORTED, IT MUST BE LABELED AND MARKED AS A DANGEROUS GOOD. CHARGE GAS, A MIXTURE OF NITROGEN AND HELIUM, IS PERMANENTLY SEALED AND IS SEPARATED FROM THE FLUID BY THE BELLOWS AND SWEEPER. BELLOWS WILL REMAIN PRESSURE BALANCED IN THE EVENT THE ACCUMULATOR IS COMPLETELY EMPTIED OF HYDRAULIC FLUID. ALL ELASTOMERS USED IN THIS DESIGN ARE COMPATIBLE WITH THE SYSTEM FLUID (PER AS1241 TYPE IV OR V) AND ARE ACCEPTABLE FOR USE THROUGHOUT THE ENTIRE OPERATIONAL AND STORAGE TEMPERATURE RANGE. ACCUMULATOR NO. 3 MUST WEIGH BETWEEN 4.71 AND 4.93 KG. KG; Separator Type: CYLINDRICAL. 3 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.