The Gearshaft,helical, cataloged under National Stock Number 3040-00-752-0994, 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 11 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-752-0994 |
| Primary Part Number | 7520994 |
| 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 Material | STEEL |
| Helix Angle | 30.0000 DEGREES |
| Shaft End Size | 1.500 INCHES IN |
| Teeth Quantity | 22 |
| Tooth Direction | LEFT |
| Gear Outside Diameter | 3.460 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 9.125 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft End Type | SPLINED STRAIGHT AND SPLINED INVOLUTE, INTERNAL |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Face Width | 1.045 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 |
|---|---|
| 7520994 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 30-35-66 | 3/2 Design control — primary reference U.S. Government activity |
| 914088 | 5/9 Secondary reference Sasco Inc Canadian Div |
| TG35-66 | 5/9 Secondary reference U.S. Government activity |
| T403-16 | 5/9 Secondary reference Perfection Clutch |
| 2338T2 | 5/9 Secondary reference Diamond Reo Truck Co |
| 3040007520994 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-752-0994 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 3040-00-752-0994 has 1 manufacturer part number on file: 7520994 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 3460-01-595-0513, 5306-01-706-8545. Verify interchangeability with system specifications before substitution.
Key specifications for 7520994: Shaft Material: STEEL; Helix Angle: 30.0000 DEGREES; Shaft End Size: 1.500 INCHES IN; Teeth Quantity: 22. 11 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.