The Bell Crank, cataloged under National Stock Number 1680-01-370-1566, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-370-1566 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Bore Length | 10.890 INCHES NOMINAL IN |
| Counterbore Depth | 0.080 INCHES NOMINAL IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | TITANIUM |
| 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 |
| Reference | Meaning |
|---|---|
| 17P2A3147-1 | 5/9 Secondary reference U.S. Government activity |
| 17P2A3147-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-370-1566 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-370-1566: Bore Length: 10.890 INCHES NOMINAL IN; Counterbore Depth: 0.080 INCHES NOMINAL IN; Special Features: SHAFT LENGTH 2.161 IN PROVIDED BOTH ENDS;FROM FULCRUM POINT TO 1ST HOLEIS 2.375 INCH;1 SIDE OF CLEVIS HAS 0.4980 DIA HOLE OPOSITE SIDE HAS 0.3130 DIA HOLE;CHAMFER O.080 IN 45 DEGREES;SHAFT,HANDLE-OPERATING,TROOP DOOR IN; End Item Identification: C-17A AIRCRAFT A. 4 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 1680-01-370-1566 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.