The Bell Crank, cataloged under National Stock Number 3040-00-906-6057, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-906-6057 |
| 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 | 2.312 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.360 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.375 INCHES NOMINAL FIRST END IN |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT AND END HOLES |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.875 INCHES NOMINAL IN |
| Material | IRON CAST |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| L6682-1 | 3/9 Design control — primary reference Pettibone Llc |
| L6682 | 5/9 Secondary reference Pettibone Llc |
NSN 3040-00-906-6057 is a Bell Crank, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-906-6057: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.312 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.360 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.375 INCHES NOMINAL FIRST END IN. 9 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.
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.