The Cylinder Assembly,reaction, cataloged under National Stock Number 1680-01-259-5698, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-259-5698 |
| Primary Part Number | A2901-4 |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Specific Usage Design | ESCAPE HATCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A2901-4 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| LE252-0001-0001 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 1680-01-259-5698 is a Cylinder Assembly,reaction, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-259-5698 has 1 manufacturer part number on file: A2901-4 (Marathonnorco Aerospace, Inc.).
Key specifications for A2901-4: Specific Usage Design: ESCAPE HATCH; End Item Identification: B-1B AIRCRAFT. 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 1680-01-259-5698 has DEMIL Code D. 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.