The Transmission,mechanical,aircraft, cataloged under National Stock Number 1680-00-337-2145, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is American Terra Vehicles Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Transmission,mechanical,aircraft |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | American Terra Vehicles Inc (CAGE 1H6M3) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-337-2145 |
| Primary Part Number | X8708-351L |
| Item Name | Transmission,mechanical,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | American Terra Vehicles Inc |
| 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 |
|---|---|
| X8708-351L | American Terra Vehicles Inc (USA) |
| Reference | Meaning |
|---|---|
| 5190945 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| MG150PC17995 | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| X8708-351L | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
| X8708-351L | 5/9 Secondary reference Deco-Grand Inc Sub of Grand Machining Co |
| 5190945 | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| X8708PC17995 | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| 17995 | 3/9 Design control — primary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
NSN 1680-00-337-2145 is a Transmission,mechanical,aircraft, manufactured by American Terra Vehicles Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-337-2145 has 1 manufacturer part number on file: X8708-351L (American Terra Vehicles Inc).
1 possible match (shared part number, not a government interchangeability claim): 5360-00-753-3443. 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 1680-00-337-2145 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.