The Gearbox Assembly,aircraft, cataloged under National Stock Number 1680-01-409-1342, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-409-1342 |
| Primary Part Number | 100ULR15 |
| Item Name | Gearbox Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Aircraft Location | SPEED DECREASER |
| Material | ALUMINUM |
| Aircraft Mission Design Series | F-111 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 100ULR15 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 661005P3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-409-1342 is a Gearbox Assembly,aircraft, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-409-1342 has 1 manufacturer part number on file: 100ULR15 (Emerson Electric Co Browning Mfg Div).
Key specifications for 100ULR15: Overall Length: 5.745 INCHES MINIMUM AND 5.775 INCHES MAXIMUM IN; Overall Width: 3.625 INCHES MINIMUM AND 3.645 INCHES MAXIMUM IN; Aircraft Location: SPEED DECREASER; End Item Identification: F-111 AIRCRAFT. 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 1680-01-409-1342 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.