The Bell Crank, cataloged under National Stock Number 1680-00-442-4593, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-00-442-4593 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Bore Length | 2.464 INCHES MINIMUM AND 2.474 INCHES MAXIMUM IN |
| Bore Diameter | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Material | TITANIUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 12C1741-805 | 3/2 Design control — primary reference U.S. Government activity |
| 12C1741-803 | 5/9 Secondary reference U.S. Government activity |
NSN 1680-00-442-4593 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-442-4593: Bore Length: 2.464 INCHES MINIMUM AND 2.474 INCHES MAXIMUM IN; Bore Diameter: 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; Material: TITANIUM ALLOY. 3 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 1680-00-442-4593 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.