The Bell Crank, cataloged under National Stock Number 3040-01-226-4573, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-226-4573 |
| Primary Part Number | 704-5765851 ITEM 5 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 2.500 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 3.000 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST END IN |
| End Hole/ball Diameter | 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND END IN |
| Bore Length | 0.991 INCHES MINIMUM AND 0.992 INCHES MAXIMUM IN |
| Style Designator | CLEVIS ENDS |
| Bore Diameter | 0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN |
| Material | COPPER 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 | X |
| Part Number | Manufacturer |
|---|---|
| 704-5765851 ITEM 5 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 88611510B1 ITEM 5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-226-4573 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-226-4573 has 1 manufacturer part number on file: 704-5765851 ITEM 5 (Naval Sea Systems Command).
Key specifications for 704-5765851 ITEM 5: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.500 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 3.000 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST END IN; End Hole/ball Diameter: 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND END IN. 8 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 3040-01-226-4573 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.