The Bell Crank, cataloged under National Stock Number 3040-01-125-8204, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-125-8204 |
| Primary Part Number | 3930AS541-1 |
| 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 | 1.157 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.563 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.375 INCHES NOMINAL SECOND END IN |
| FSC Application Data | LAUNCHER,GUIDED MISSILE,AIRCRAFT LAU-116/A |
| Bore Length | 2.812 INCHES NOMINAL IN |
| Style Designator | CLEVIS ENDS |
| Bore Diameter | 0.438 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 | F |
| Part Number | Manufacturer |
|---|---|
| 3930AS541-1 | Vertex Modernization and Sustainment Llc (USA) |
| 3930AS541-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 74A733024-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 10106817 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A733024-2001 | 5/9 Secondary reference Vertex Modernization and Sustainment Llc |
NSN 3040-01-125-8204 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 3040-01-125-8204 has 2 manufacturer part numbers on file: 3930AS541-1 (Vertex Modernization and Sustainment Llc), 3930AS541-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3930AS541-1: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.157 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.563 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.375 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.