The Bell Crank, cataloged under National Stock Number 3040-00-274-6529, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-274-6529 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.260 INCHES NOMINAL ALL ENDS IN |
| End Hole/ball Diameter | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM ALL ENDS IN |
| Bore Length | 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Criticality Code Justification | ABXV AND CZLN |
| Style Designator | CLEVIS ENDS |
| Surface Treatment | ANODIZE |
| Slot Width | 0.515 INCHES NOMINAL ALL ENDS IN |
| Bore Diameter | 0.901 INCHES MINIMUM AND 0.902 INCHES MAXIMUM IN |
| Material | ALUMINUM |
| Slot Length | 0.950 INCHES NOMINAL ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 1201302-101 | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns |
| 1201302-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-274-6529 is a Bell Crank, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-274-6529: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.260 INCHES NOMINAL ALL ENDS IN; End Hole/ball Diameter: 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM ALL ENDS IN; Bore Length: 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN; Criticality Code Justification: ABXV AND CZLN. 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 3040-00-274-6529 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.