The Cylinder Assembly,reaction, cataloged under National Stock Number 1680-00-102-4904, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Cpi Aerostructures Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-00-102-4904 |
| Primary Part Number | 4F51622-103A |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Cpi Aerostructures Inc |
| Status | ACTIVE |
| Extended Length | 4.050 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4F51622-103A | Cpi Aerostructures Inc (USA) |
| 4F51622-103A | Aero Components, Llc (USA) |
| 4F51622-103A | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4F51622-103A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-102-4904 is a Cylinder Assembly,reaction, manufactured by Cpi Aerostructures Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-102-4904 has 3 manufacturer part numbers on file: 4F51622-103A (Cpi Aerostructures Inc), 4F51622-103A (Aero Components, Llc), 4F51622-103A (A and M Aerospace, Inc.).
Key specifications for 4F51622-103A: Extended Length: 4.050 INCHES NOMINAL IN; End Item Identification: AIRCRAFT,MODEL C-5A A. 1 specification is 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 1680-00-102-4904 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.