The Bell Crank, cataloged under National Stock Number 1680-01-261-3099, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-261-3099 |
| Primary Part Number | 75A612304-1001 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.400 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.404 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL SECOND END IN |
| Bore Length | 2.146 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| Counterbore Depth | 0.229 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 75A612304-1001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1680-01-261-3099 is a Bell Crank, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-261-3099 has 1 manufacturer part number on file: 75A612304-1001 (The Boeing Company Div Defense).
Key specifications for 75A612304-1001: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.400 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.404 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL SECOND END IN. 10 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 1680-01-261-3099 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.