The Bell Crank, cataloged under National Stock Number 3040-00-858-8478, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-858-8478 |
| Primary Part Number | 537233 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM FIRST END IN |
| FSC Application Data | CONTROL,PROPELLER |
| Bore Length | 0.313 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Bore Diameter | 0.281 INCHES MINIMUM AND 0.282 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 |
|---|---|
| 537233 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3040-00-858-8478 is a Bell Crank, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-858-8478 has 1 manufacturer part number on file: 537233 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 537233: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM FIRST END IN; FSC Application Data: CONTROL,PROPELLER; Bore Length: 0.313 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN; Special Features: FORKED ARM LG 0.820-0.840 IN. FROM FULCRUM CENTER TO END OF ARM,FORK SPAN OUTSIDE W 0.670-0.690 IN.,FORK SPAN INSIDE W 0.530-0.550 IN. IN. 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.