The Bell Crank, cataloged under National Stock Number 1680-00-107-2192, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-107-2192 |
| Primary Part Number | 4F43738-101A |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.030 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 9.880 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.437 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.375 INCHES NOMINAL FIRST END IN |
| Bore Length | 1.050 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 4F43738-101A | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc (USA) |
| 4F43738-101A | Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA) |
| Reference | Meaning |
|---|---|
| 4F43738-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-107-2192 is a Bell Crank, manufactured by Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-107-2192 has 2 manufacturer part numbers on file: 4F43738-101A (Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc), 4F43738-101A (Goodrich Corporation Dba Goodrich Corp, a New York Corp).
Key specifications for 4F43738-101A: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.030 INCHES NOMINAL SECOND END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 9.880 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.437 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.375 INCHES NOMINAL FIRST END IN. 8 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 1680-00-107-2192 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.