The Gearshaft,spur, cataloged under National Stock Number 3040-00-678-7034, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 3040-00-678-7034 |
| Primary Part Number | 8350940 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 8620 |
| Shaft Largest Diameter | 5.290 INCHES NOMINAL IN |
| Shaft End Size | 5.290 INCHES IN |
| Teeth Quantity | 19 |
| Diametral Pitch | 4 |
| Gear Outside Diameter | 5.290 INCHES NOMINAL IN |
| Hardness Rating | 60.0 ROCKWELL C MINIMUM TEETH |
| Gear Material | STEEL COMP 8620 |
| Shaft End Type | SPLINED INVOLUTE |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 25.0000 DEGREES |
| Face Width | 3.146 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8350940 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-00-678-7034 is a Gearshaft,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-678-7034 has 1 manufacturer part number on file: 8350940 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8350940: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 8620; Shaft Largest Diameter: 5.290 INCHES NOMINAL IN; Shaft End Size: 5.290 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.
NSN 3040-00-678-7034 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.