The Check Valve Duct,ai, cataloged under National Stock Number 1680-01-524-7209, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Check Valve Duct,ai |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Donaldson Company, Inc. (CAGE 18265); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-524-7209 |
| Primary Part Number | S7080-06001-110 |
| Item Name | Check Valve Duct,ai |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| S7080-06001-110 | Donaldson Company, Inc. (USA) |
| S7080-06001-110 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| P546552 | 5/1 Secondary reference Donaldson Company, Inc. |
| S7080-06001 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| S70080-06001-110 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1680-01-524-7209 is a Check Valve Duct,ai, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-524-7209 has 2 manufacturer part numbers on file: S7080-06001-110 (Donaldson Company, Inc.), S7080-06001-110 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-527-4555. Verify interchangeability with system specifications before substitution.
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 1680-01-524-7209 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.