The Bell Crank, cataloged under National Stock Number 1680-00-653-4333, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-00-653-4333 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.415 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 5.240 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM FIRST END IN |
| Bore Length | 0.750 INCHES NOMINAL IN |
| Style Designator | FLAT, ONE OR MORE HOLES BOTH ARMS |
| Bore Diameter | 1.330 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN |
| Material | MAGNESIUM |
| 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 |
|---|---|
| 204-001-813-1 | 3/2 Design control — primary reference U.S. Government activity |
| 204-001-813-001 | 5/2 Secondary reference U.S. Government activity |
NSN 1680-00-653-4333 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-653-4333: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.415 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.240 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM FIRST END IN; Bore Length: 0.750 INCHES NOMINAL IN. 7 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 1680-00-653-4333 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.