The Bell Crank, cataloged under National Stock Number 3040-00-918-9938, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-918-9938 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.579 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 5.204 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.9051 INCHES MINIMUM AND 0.9056 INCHES MAXIMUM SECOND END IN |
| End Hole/ball Diameter | 1.063 INCHES MINIMUM AND 1.064 INCHES MAXIMUM FIRST END IN |
| Bore Length | 5.374 INCHES MINIMUM AND 5.376 INCHES MAXIMUM IN |
| Bore Diameter | 1.063 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 540-001-904-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-918-9938 is a Bell Crank, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-918-9938: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.579 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.204 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.9051 INCHES MINIMUM AND 0.9056 INCHES MAXIMUM SECOND END IN; End Hole/ball Diameter: 1.063 INCHES MINIMUM AND 1.064 INCHES MAXIMUM FIRST END IN. 7 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 3040-00-918-9938 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.