The Bell Crank, cataloged under National Stock Number 3040-01-499-9429, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-499-9429 |
| Primary Part Number | 563-7066808-A37 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 5.641 INCHES NOMINAL ALL ENDS IN |
| End Hole/ball Diameter | 1.500 INCHES NOMINAL ALL ENDS IN |
| Bore Length | 5.375 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN |
| Style Designator | CLEVIS ENDS |
| Fulcrum Bore Shape | PLAIN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 563-7066808-A37 PRIMARY | Naval Sea Systems Command (USA) |
| 563-7066806-15 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H552-0601-15 | 5/2 Secondary reference U.S. Government activity |
| 563-7066808 | D/9 Drawing number reference only Naval Sea Systems Command |
| H552-0603-A37 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-499-9429 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-499-9429 has 2 manufacturer part numbers on file: 563-7066808-A37 (Naval Sea Systems Command), 563-7066806-15 (Naval Sea Systems Command).
Key specifications for 563-7066808-A37: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.641 INCHES NOMINAL ALL ENDS IN; End Hole/ball Diameter: 1.500 INCHES NOMINAL ALL ENDS IN; Bore Length: 5.375 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN; Style Designator: CLEVIS ENDS. 6 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 3040-01-499-9429 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.