The Gearshaft,helical, cataloged under National Stock Number 3040-01-193-0474, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Indal Technologies Inc. Government technical data includes 17 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 | 3040-01-193-0474 |
| Primary Part Number | 6534D429-1 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Indal Technologies Inc |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 4340 |
| Helix Angle | 23.9500 DEGREES |
| Shaft Largest Diameter | 4.290 INCHES NOMINAL IN |
| Shaft End Size | 3.743 INCHES AND 2.500 INCHES IN |
| Teeth Quantity | 48 |
| Tooth Direction | LEFT |
| Diametral Pitch | 5 |
| Teeth Type | SINGLE HELIX |
| Gear Outside Diameter | 10.900 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 7.000 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 4340 |
| Shaft Length | 11.620 INCHES NOMINAL IN |
| Shaft End Type | PLAIN AND SPLINED INVOLUTE |
| 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 |
|---|---|
| 6534D429-1 PRIMARY | Indal Technologies Inc (CAN) |
NSN 3040-01-193-0474 is a Gearshaft,helical, manufactured by Indal Technologies Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-193-0474 has 1 manufacturer part number on file: 6534D429-1 (Indal Technologies Inc).
Key specifications for 6534D429-1: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4340; Helix Angle: 23.9500 DEGREES; Shaft Largest Diameter: 4.290 INCHES NOMINAL IN. 17 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.