The Bell Crank, cataloged under National Stock Number 3040-00-153-7064, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ametek Inc Heat Transfer Div. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-153-7064 |
| Primary Part Number | BL170T |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ametek Inc Heat Transfer Div |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.875 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 0.516 INCHES NOMINAL FIRST END IN |
| Style Designator | CLEVIS ENDS |
| Slot Width | 0.750 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 1.625 INCHES NOMINAL IN |
| Material | IRON |
| 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 |
|---|---|
| BL170T PRIMARY | Ametek Inc Heat Transfer Div (USA) |
| Reference | Meaning |
|---|---|
| TU-145 | 5/9 Secondary reference Prosperity a Div of Ametek Inc |
NSN 3040-00-153-7064 is a Bell Crank, manufactured by Ametek Inc Heat Transfer Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-153-7064 has 1 manufacturer part number on file: BL170T (Ametek Inc Heat Transfer Div).
Key specifications for BL170T: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.875 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.516 INCHES NOMINAL FIRST END IN; Style Designator: CLEVIS ENDS; Slot Width: 0.750 INCHES NOMINAL FIRST END IN. 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.
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.