The Accumulator,hydraulic, cataloged under National Stock Number 1650-01-263-1604, 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 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-263-1604 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |
| Bleeder Opening | NOT INCLUDED |
| Overall Diameter | 3.340 INCHES NOMINAL IN |
| Cubic Capacity | 200.000 CUBIC INCHES |
| Port Screw Thread Diameter | 0.875 INCHES NOMINAL AND 0.500 INCHES NOMINAL IN |
| Port Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Shape | CYLINDRICAL |
| Operating Pressure | 3000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Port Screw Thread Quantity Per Inch | 14.000 AND 20.000 |
| Thread Class | 3B |
| 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 |
| Reference | Meaning |
|---|---|
| 1650PL0664222 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7902-3 | 7/1 Vendor item drawing reference U.S. Government activity |
| 2750534M3 | 3/2 Design control — primary reference U.S. Government activity |
| 2750534 | 5/2 Secondary reference U.S. Government activity |
NSN 1650-01-263-1604 is a Accumulator,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-263-1604: FSC Application Data: AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS; Bleeder Opening: NOT INCLUDED; Overall Diameter: 3.340 INCHES NOMINAL IN; Cubic Capacity: 200.000 CUBIC INCHES. 10 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 1650-01-263-1604 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.