The Bell Crank, cataloged under National Stock Number 1680-01-107-6957, 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 Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-107-6957 |
| Primary Part Number | 74A450960-1003 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | ACFT LANDING GEAR |
| Bore Length | 1.249 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE AND PAINT |
| Bore Diameter | 1.623 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 |
|---|---|
| 74A450960-1003 | Nassau Tool Works, Inc (USA) |
| 74A450960-1003 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450960-1003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450960-1003 | Heroux-Devtek Inc (CAN) |
| Reference | Meaning |
|---|---|
| 10105424 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450960-1003 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450960-1003 | 5/2 Secondary reference U.S. Government activity |
| 74A450960-1003 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A450960-1003 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450960-1003 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450960-1003 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450960-1003 | 5/9 Secondary reference Blair Industries Inc |
| 1958C520A | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450960-1003 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 1680-01-107-6957 is a Bell Crank, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-107-6957 has 4 manufacturer part numbers on file: 74A450960-1003 (Nassau Tool Works, Inc), 74A450960-1003 (Safran Landing Systems Canada Inc.), 74A450960-1003 (The Boeing Company Div Defense), 74A450960-1003 (Heroux-Devtek Inc).
Key specifications for 74A450960-1003: FSC Application Data: ACFT LANDING GEAR; Bore Length: 1.249 INCHES NOMINAL IN; Surface Treatment: ANODIZE AND PAINT; Bore Diameter: 1.623 INCHES NOMINAL IN. 5 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 1680-01-107-6957 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.