The Bell Crank, cataloged under National Stock Number 3040-01-446-9276, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-446-9276 |
| Primary Part Number | 518-5794764 ITEM 36 |
| 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 | 8.000 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 10.125 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 1.252 INCHES NOMINAL FIRST END IN |
| End Hole/ball Diameter | 1.252 INCHES NOMINAL SECOND END IN |
| Bore Length | 3.023 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| Bore Diameter | 1.752 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 518-5794764 ITEM 36 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2018-13 ITEM 36 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 5794764 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-446-9276 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-446-9276 has 1 manufacturer part number on file: 518-5794764 ITEM 36 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-446-9349, 3040-01-446-9391, 3040-01-446-9395. Verify interchangeability with system specifications before substitution.
Key specifications for 518-5794764 ITEM 36: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 8.000 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 10.125 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 1.252 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 1.252 INCHES NOMINAL 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.
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.