The Bell Crank, cataloged under National Stock Number 3040-01-106-0446, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-106-0446 |
| Primary Part Number | 9N984 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.500 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.500 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL SECOND END IN |
| Bore Length | 0.541 INCHES NOMINAL IN |
| Style Designator | FLAT, ONE OR MORE HOLES BOTH ARMS |
| Counterbore Depth | 0.068 INCHES NOMINAL IN |
| Counterbore Diameter | 0.590 INCHES NOMINAL IN |
| Bore Diameter | 0.378 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 |
NSN 3040-01-106-0446 is a Bell Crank, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-106-0446 has 3 manufacturer part numbers on file: 7CA94 (Oshkosh Defense Llc), 9N984 (Caterpillar Inc Div Caterpillar Defense), 9N984 (Caterpillar Tractor Co Ltd).
Key specifications for 9N984: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.500 INCHES NOMINAL SECOND END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.500 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL SECOND 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.
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.