The Bell Crank, cataloged under National Stock Number 3040-00-902-1976, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-902-1976 |
| Primary Part Number | 6758261 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 6.000 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 10.000 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.760 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.325 INCHES NOMINAL IN |
| Style Designator | FLAT, ONE ARM OFFSET |
| Surface Treatment | PAINT |
| Bore Diameter | 5.625 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6758261 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6758261 | 5/9 Secondary reference General Motors Corp |
| 6758261 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
NSN 3040-00-902-1976 is a Bell Crank, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-902-1976 has 1 manufacturer part number on file: 6758261 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6758261: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 6.000 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 10.000 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.760 INCHES NOMINAL FIRST END IN; Bore Length: 0.325 INCHES NOMINAL IN. 8 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.