The Bell Crank, cataloged under National Stock Number 3040-00-148-6435, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-148-6435 |
| 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 | 3.040 INCHES MINIMUM AND 3.050 INCHES MAXIMUM FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 4.495 INCHES MINIMUM AND 4.505 INCHES MAXIMUM SECOND END IN |
| End Hole/ball Diameter | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM ALL ENDS IN |
| Bore Length | 2.081 INCHES MINIMUM AND 2.086 INCHES MAXIMUM IN |
| Style Designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, COND 651 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | BEARING |
| Slot Width | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM FIRST END IN |
| Slot Width | 0.630 INCHES MINIMUM AND 0.635 INCHES MAXIMUM SECOND END IN |
| Bore Diameter | 0.811 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Slot Length | 1.020 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3040PL0136822 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| K653708-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-148-6435 is a Bell Crank, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-148-6435: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.040 INCHES MINIMUM AND 3.050 INCHES MAXIMUM FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 4.495 INCHES MINIMUM AND 4.505 INCHES MAXIMUM SECOND END IN; End Hole/ball Diameter: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM ALL ENDS IN; Bore Length: 2.081 INCHES MINIMUM AND 2.086 INCHES MAXIMUM IN. 12 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 3040-00-148-6435 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.