The Cylinder Assembly,reaction, cataloged under National Stock Number 1680-00-249-3836, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-249-3836 |
| Primary Part Number | 68A640056-2003 |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| End Item Design Control Activity | 76301 |
| End Item Identification Designator | ROD, PISTON-NOSE GEAR STEERING CARTRIDGE |
| 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 |
|---|---|
| 68A640056-2003 | Harlow Aerostructures, Llc (USA) |
| 68A640056-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A640056-2003 | 5/2 Secondary reference U.S. Government activity |
NSN 1680-00-249-3836 is a Cylinder Assembly,reaction, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-249-3836 has 2 manufacturer part numbers on file: 68A640056-2003 (Harlow Aerostructures, Llc), 68A640056-2003 (The Boeing Company Div Defense).
Key specifications for 68A640056-2003: End Item Design Control Activity: 76301; End Item Identification Designator: ROD, PISTON-NOSE GEAR STEERING CARTRIDGE; End Item Identification: F-15 AIRCRAFT. 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 1680-00-249-3836 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.