The Gearshaft,helical, cataloged under National Stock Number 3040-00-609-3294, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-609-3294 |
| Primary Part Number | 1609415 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 8750 |
| Helix Angle | 15.0000 DEGREES |
| Shaft Largest Diameter | 3.875 INCHES NOMINAL IN |
| Shaft End Size | 2.953 INCHES AND 3.137 INCHES IN |
| Teeth Quantity | 24 |
| Module Number | 4.800 INCHES IN |
| Tooth Direction | RIGHT |
| Diametral Pitch | 8/16 |
| Teeth Type | SINGLE HELIX |
| Gear Outside Diameter | 5.186 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 7.398 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 8750 |
| Shaft Length | 10.694 INCHES NOMINAL IN |
| Shaft End Type | THREADED EXTERNAL |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 3.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| BUWEPSDWG1609415 | Bae Systems Land & Armaments L.p. (USA) |
| 1609415 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-609-3294 is a Gearshaft,helical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-609-3294 has 2 manufacturer part numbers on file: BUWEPSDWG1609415 (Bae Systems Land & Armaments L.p.), 1609415 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1609415: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 8750; Helix Angle: 15.0000 DEGREES; Shaft Largest Diameter: 3.875 INCHES NOMINAL IN. 18 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.