The Machine,air Cycle, cataloged under National Stock Number 1680-01-557-1867, 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. 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 | 1680-01-557-1867 |
| Primary Part Number | 2205080-4-1 |
| Item Name | Machine,air Cycle |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY DRAWING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2205080-4-1 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 2205080-4-1 | The Boeing Company (USA) |
NSN 1680-01-557-1867 is a Machine,air Cycle, manufactured by The Boeing Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-557-1867 has 2 manufacturer part numbers on file: 2205080-4-1 (Honeywell International Inc. Div Aerospace - Torrance), 2205080-4-1 (The Boeing Company).
Key specifications for 2205080-4-1: Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: AIRCRAFT AIRCONDITION UNIT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY DRAWING. 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 1680-01-557-1867 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.