The Cylinder Assembly,reaction, cataloged under National Stock Number 1680-01-500-2648, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Marathonnorco Aerospace, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-500-2648 |
| Primary Part Number | A3097-4 |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Compressed Length | 5.580 INCHES NOMINAL IN |
| Extended Length | 8.810 INCHES MINIMUM AND 8.930 INCHES MAXIMUM IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Specific Usage Design | ENGINE EXHAUST BLOW OUT DOOR |
| Mounting Type and Location | BEARING CYLINDER HEAD END AND BORE PISTON ROD END |
| 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 |
|---|---|
| A3097-4 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9D0280-1 | 5/2 Secondary reference U.S. Government activity |
| A3097-4 | 5/9 Secondary reference General Electric Co Lamp Refractory Metals Products Dept Products Opns |
NSN 1680-01-500-2648 is a Cylinder Assembly,reaction, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-500-2648 has 1 manufacturer part number on file: A3097-4 (Marathonnorco Aerospace, Inc.).
Key specifications for A3097-4: Compressed Length: 5.580 INCHES NOMINAL IN; Extended Length: 8.810 INCHES MINIMUM AND 8.930 INCHES MAXIMUM IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Special Features: MANUFACTURER SUGGESTED NAME - STRUT ASSEMBLY, BLOW OUT DOOR. 5 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 1680-01-500-2648 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.