The Gearbox Assembly,aircraft, cataloged under National Stock Number 1680-00-159-8730, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gearbox Assembly,aircraft |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Kitco Llc (CAGE 34087); Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (CAGE 56540); Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (CAGE 8X044); Triumph Controls, Llc Dba Triumph Controls, Llc (CAGE 78710) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-159-8730 |
| Primary Part Number | 20537-3 |
| Item Name | Gearbox Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Triumph Controls, Llc Dba Triumph Controls, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 53-65050-15 | Kitco Llc (USA) |
| 53-65050-15 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 53-65050-15 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 20537-3 PRIMARY | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| 20537-4 PRIMARY | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| Reference | Meaning |
|---|---|
| 53-65050-15 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 1680-00-159-8730 is a Gearbox Assembly,aircraft, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-159-8730 has 5 manufacturer part numbers on file: 53-65050-15 (Kitco Llc), 53-65050-15 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 53-65050-15 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 20537-3 (Triumph Controls, Llc Dba Triumph Controls, Llc), 20537-4 (Triumph Controls, Llc Dba Triumph Controls, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-321-4817, 5330-01-367-6226, 2530-01-549-0486. 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 1680-00-159-8730 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.