The Gearbox Assembly,aircraft, cataloged under National Stock Number 1680-01-630-9909, 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 Div Legacy Am&m. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-630-9909 |
| Primary Part Number | L3053634-021 |
| Item Name | Gearbox Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Aircraft Station Number | YF947-YF991 |
| Aircraft Location | LOWER PIVOT,FAIRING BONDED |
| Aircraft Mission Design Series | B1-BAIRCRAFT |
| 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 |
|---|---|
| L3053634-021 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L3053634-021 | Top Flight Aerostructures, Inc. Dba Top Flight Aerostructures Inc (USA) |
| L3053634-021 | Applied Composites Engineering Inc Dba Applied Composites Los Alamitos Div Applied Composites - Indianapolis (USA) |
| L3053634-021 | Composites Horizons, Llc Dba Composites Horizons Inc (USA) |
| L3053634-021 | Kihomac, Inc. Dba Ki Ho Military Acquisition Consulting (USA) |
NSN 1680-01-630-9909 is a Gearbox Assembly,aircraft, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-630-9909 has 5 manufacturer part numbers on file: L3053634-021 (The Boeing Company Div Legacy Am&m), L3053634-021 (Top Flight Aerostructures, Inc. Dba Top Flight Aerostructures Inc), L3053634-021 (Applied Composites Engineering Inc Dba Applied Composites Los Alamitos Div Applied Composites - Indianapolis), L3053634-021 (Composites Horizons, Llc Dba Composites Horizons Inc), L3053634-021 (Kihomac, Inc. Dba Ki Ho Military Acquisition Consulting).
Key specifications for L3053634-021: Aircraft Station Number: YF947-YF991; Aircraft Location: LOWER PIVOT,FAIRING BONDED; End Item Identification: B1-B AIRCRAFT; Aircraft Mission Design Series: B1-BAIRCRAFT. 3 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 1680-01-630-9909 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.