The Collar,pilots Mirro, cataloged under National Stock Number 1680-00-657-5186, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is United Aeronautical Corporation Dba United Aeronautical 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Collar,pilots Mirro |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | United Aeronautical Corporation Dba United Aeronautical Corp (CAGE 0EUD7); Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (CAGE 8X044) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-657-5186 |
| Primary Part Number | 2545070 |
| Item Name | Collar,pilots Mirro |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | United Aeronautical Corporation Dba United Aeronautical Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2545070 | United Aeronautical Corporation Dba United Aeronautical Corp (USA) |
| 2545070 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| Reference | Meaning |
|---|---|
| 2545070 | 5/9 Secondary reference The Boeing Company |
| 2545070 | 3/2 Design control — primary reference U.S. Government activity |
| 2545070 | 5/9 Secondary reference Consolidated Aeronautics Corp |
NSN 1680-00-657-5186 is a Collar,pilots Mirro, manufactured by United Aeronautical Corporation Dba United Aeronautical Corp, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-657-5186 has 2 manufacturer part numbers on file: 2545070 (United Aeronautical Corporation Dba United Aeronautical Corp), 2545070 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company).
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 1680-00-657-5186 has DEMIL Code B. 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.