The Accumulator,pneumatic, cataloged under National Stock Number 1650-01-353-2463, 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 Structural Composites Industries Llc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-353-2463 |
| Primary Part Number | ALT 220 |
| Item Name | Accumulator,pneumatic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Structural Composites Industries Llc |
| Status | ACTIVE |
| Overall Diameter | 6.500 INCHES MAXIMUM IN |
| Shape | CYLINDRICAL |
| 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 |
|---|---|
| ALT 220 PRIMARY | Structural Composites Industries Llc (USA) |
| 28531-101-11 | General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA) |
NSN 1650-01-353-2463 is a Accumulator,pneumatic, manufactured by Structural Composites Industries Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-353-2463 has 2 manufacturer part numbers on file: ALT 220 (Structural Composites Industries Llc), 28531-101-11 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations).
Key specifications for ALT 220: Overall Diameter: 6.500 INCHES MAXIMUM IN; Shape: CYLINDRICAL; Overall Length: 20.800 INCHES MINIMUM AND 21.000 INCHES MAXIMUM IN; End Item Identification: H-46 HELO. 2 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 1650-01-353-2463 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.