The Gearshaft,helical, cataloged under National Stock Number 3040-01-099-8473, 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 18 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 | 3040-01-099-8473 |
| Primary Part Number | 12292362 |
| Item Name | Gearshaft,helical |
| 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 4140 OR STEEL COMP 4340 |
| Helix Angle | 17.0000 DEGREES |
| Shaft Largest Diameter | 1.000 INCHES NOMINAL IN |
| Shaft End Size | 0.7501 INCHES IN |
| Teeth Quantity | 27 |
| Tooth Direction | RIGHT |
| Diametral Pitch | 16 |
| Teeth Type | SINGLE HELIX |
| Gear Outside Diameter | 1.882 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 5.300 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Gear Material | STEEL COMP 4140 OR STEEL COMP 4340 |
| Shaft Length | 5.500 INCHES NOMINAL IN |
| Shaft End Type | SQUARE |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 1.375 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 |
|---|---|
| 12292362 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-099-8473 is a Gearshaft,helical, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-099-8473 has 1 manufacturer part number on file: 12292362 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12292362: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4140 OR STEEL COMP 4340; Helix Angle: 17.0000 DEGREES; Shaft Largest Diameter: 1.000 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.
NSN 3040-01-099-8473 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.