The Bell Crank, cataloged under National Stock Number 3040-01-377-3959, 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 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-377-3959 |
| Primary Part Number | 1534AS179 |
| 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 | 0.531 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 1.203 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.189 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.189 INCHES NOMINAL SECOND END IN |
| Bore Length | 0.375 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Style Designator | CLEVIS, TONGUE |
| Features Provided | COUNTERBORE |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.562 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1534AS179 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1534AS179 | Solo Enterprise Corp. Dba Solo Enterprise Corp (USA) |
| 1534AS179 | Marvin Engineering Co, Inc (USA) |
| 1534AS179 | Vertex Modernization and Sustainment Llc (USA) |
| 1534AS179 | Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries (USA) |
| Reference | Meaning |
|---|---|
| D013406-501 | 5/9 Secondary reference The Boeing Company |
| 1534AS179 | 5/9 Secondary reference The Boeing Company |
| 1534AS179 | 5/9 Secondary reference Goodrich Corporation Dba Goodrich Corp, a New York Corp |
| D013406 | D/9 Drawing number reference only U.S. Government activity |
| 1534AS179 | 5/9 Secondary reference U.S. Government activity |
| D013406-501 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-377-3959 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 3040-01-377-3959 has 5 manufacturer part numbers on file: 1534AS179 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1534AS179 (Solo Enterprise Corp. Dba Solo Enterprise Corp), 1534AS179 (Marvin Engineering Co, Inc), 1534AS179 (Vertex Modernization and Sustainment Llc), 1534AS179 (Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries).
Key specifications for 1534AS179: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 0.531 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.203 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.189 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.189 INCHES NOMINAL SECOND END IN. 11 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.
NSN 3040-01-377-3959 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.