The Gearshaft,spur, cataloged under National Stock Number 3040-00-712-6410, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-712-6410 |
| Primary Part Number | 1202843 |
| Item Name | Gearshaft,spur |
| 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 4140H |
| Shaft Largest Diameter | 0.910 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN |
| Shaft End Size | 0.750 INCHES AND 0.618 INCHES IN |
| Teeth Quantity | 40 |
| Diametral Pitch | 20 |
| Gear Outside Diameter | 2.100 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 1.922 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 4140H |
| Shaft End Type | CIRCULAR GROOVED AND PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.330 INCHES MINIMUM AND 0.370 INCHES MAXIMUM 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 |
|---|---|
| 1202843 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-712-6410 is a Gearshaft,spur, 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 3040-00-712-6410 has 1 manufacturer part number on file: 1202843 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1202843: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4140H; Shaft Largest Diameter: 0.910 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN; Shaft End Size: 0.750 INCHES AND 0.618 INCHES IN. 13 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.