The Bell Crank, cataloged under National Stock Number 3040-00-772-5114, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Skyspares Parts Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-772-5114 |
| Primary Part Number | 374578-3 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Skyspares Parts Inc |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 5.840 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 8.213 INCHES MINIMUM AND 8.287 INCHES MAXIMUM SECOND END IN |
| End Hole/ball Diameter | 1.875 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST END IN |
| FSC Application Data | BOOSTER,HYDRAULIC ELEVATOR CONTROL 1650007849693 374461-605 |
| Bore Diameter | 3.7500 INCHES MINIMUM AND 3.7512 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 374578-3 | Skyspares Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| 374578-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-772-5114 is a Bell Crank, manufactured by Skyspares Parts Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-772-5114 has 1 manufacturer part number on file: 374578-3 (Skyspares Parts Inc).
Key specifications for 374578-3: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.840 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 8.213 INCHES MINIMUM AND 8.287 INCHES MAXIMUM SECOND END IN; End Hole/ball Diameter: 1.875 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.500 INCHES MINIMUM AND 0.502 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 3040-00-772-5114 has DEMIL Code Q. 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.