The Bell Crank, cataloged under National Stock Number 1680-00-315-4563, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-315-4563 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| FSC Application Data | AIRFRAME,STRUCTURAL |
| Bore Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.900 INCHES NOMINAL IN |
| Material | ALUMINUM 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 |
|---|---|
| 2440347 | 3/2 Design control — primary reference U.S. Government activity |
| 2440347 | 5/9 Secondary reference The Boeing Company |
NSN 1680-00-315-4563 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5945-01-252-0561. Verify interchangeability with system specifications before substitution.
Key specifications for 1680-00-315-4563: FSC Application Data: AIRFRAME,STRUCTURAL; Bore Length: 0.500 INCHES NOMINAL IN; Surface Treatment: ANODIZE; Bore Diameter: 0.900 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 1680-00-315-4563 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.