The Bell Crank, cataloged under National Stock Number 3040-00-789-7783, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-789-7783 |
| Primary Part Number | 114C3318-20 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 6.500 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 4.795 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM SECOND END IN |
| End Hole/ball Diameter | 0.501 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST END IN |
| Bore Length | 2.560 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| Counterbore Depth | 0.385 INCHES NOMINAL IN |
| Counterbore Diameter | 2.060 INCHES MINIMUM AND 2.061 INCHES MAXIMUM IN |
| Bore Diameter | 1.880 INCHES NOMINAL 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 | F |
| Part Number | Manufacturer |
|---|---|
| 114C3318-20 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 114C3318-1 | 5/9 Secondary reference The Boeing Company |
| 114C3318-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-789-7783 is a Bell Crank, manufactured by The Boeing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-789-7783 has 1 manufacturer part number on file: 114C3318-20 (The Boeing Company).
Key specifications for 114C3318-20: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 6.500 INCHES NOMINAL SECOND END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 4.795 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM SECOND END IN; End Hole/ball Diameter: 0.501 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST END IN. 10 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 3040-00-789-7783 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.