The Bell Crank, cataloged under National Stock Number 3040-01-009-2528, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-009-2528 |
| Primary Part Number | A51C43564-4 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Bore Length | 1.316 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Bore Diameter | 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51C43564-4 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| A51C43564-4 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51C43564-4 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51C43564-4 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 3040-01-009-2528 is a Bell Crank, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-009-2528 has 2 manufacturer part numbers on file: A51C43564-4 (Northrop Grumman Systems Corporation), A51C43564-4 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51C43564-4: Bore Length: 1.316 INCHES NOMINAL IN; Surface Treatment: CADMIUM; Bore Diameter: 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN; Material: STEEL. 4 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 3040-01-009-2528 has DEMIL Code B. 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.