The Bell Crank, cataloged under National Stock Number 3040-00-433-0778, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-433-0778 |
| Primary Part Number | 3Q563B |
| 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 | 1.188 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.063 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.252 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.252 INCHES NOMINAL SECOND END IN |
| Bore Length | 0.969 INCHES NOMINAL IN |
| Style Designator | FLAT, ONE OR MORE HOLES BOTH ARMS |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| 3Q563B | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3Q563B | 3/9 Design control — primary reference Gse Production and Support Llc Dba Gse Spares |
| 3Q563B | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-433-0778 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 3040-00-433-0778 has 1 manufacturer part number on file: 3Q563B (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3Q563B: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.188 INCHES NOMINAL SECOND END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.063 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.252 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.252 INCHES NOMINAL SECOND 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.