The Bell Crank, cataloged under National Stock Number 1680-00-072-9735, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-00-072-9735 |
| 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 | 3.950 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST END IN |
| End Hole/ball Diameter | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM SECOND END IN |
| Bore Length | 0.875 INCHES NOMINAL IN |
| Bore Diameter | 0.780 INCHES MINIMUM AND 0.820 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 |
|---|---|
| 7-74108-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 7-74108-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 1680-00-072-9735 is a Bell Crank, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-072-9735: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.950 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST END IN; End Hole/ball Diameter: 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM SECOND END IN; Bore Length: 0.875 INCHES NOMINAL IN. 6 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 1680-00-072-9735 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.