The Bell Crank, cataloged under National Stock Number 3040-01-372-3487, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-372-3487 |
| Primary Part Number | 8909-268-001 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.000 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.500 INCHES NOMINAL SECOND END IN |
| Bore Length | 0.250 INCHES NOMINAL IN |
| Bore Diameter | 0.502 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8909-268-001 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 8909-268-001 | 5/9 Secondary reference Entwistle Co the Defense Technology Div |
NSN 3040-01-372-3487 is a Bell Crank, manufactured by The Entwistle Company Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-372-3487 has 1 manufacturer part number on file: 8909-268-001 (The Entwistle Company Llc).
Key specifications for 8909-268-001: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.000 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.500 INCHES NOMINAL SECOND END IN; Bore Length: 0.250 INCHES NOMINAL IN; Special Features: END HOLES INTERNALLY THREADED, 3/8-24 UNF-2B. 5 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.
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.