The Bell Crank, cataloged under National Stock Number 3040-00-103-6584, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-103-6584 |
| Primary Part Number | 64A98C378-1 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.500 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.062 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.312 INCHES NOMINAL ALL ENDS IN |
| Bore Length | 0.500 INCHES NOMINAL IN |
| Style Designator | FLAT, ONE OR MORE HOLES BOTH ARMS |
| Features Provided | BEARING |
| Bore Diameter | 0.500 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 |
|---|---|
| 64A98C378-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 64A98C378-1 | Deval Life Cycle Support Llc (USA) |
NSN 3040-00-103-6584 is a Bell Crank, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-103-6584 has 2 manufacturer part numbers on file: 64A98C378-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 64A98C378-1 (Deval Life Cycle Support Llc).
Key specifications for 64A98C378-1: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.500 INCHES NOMINAL SECOND END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.062 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.312 INCHES NOMINAL ALL ENDS IN; Bore Length: 0.500 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.