The Shaft,shouldered, cataloged under National Stock Number 3040-00-752-1019, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-752-1019 |
| Primary Part Number | 7521019 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second End Angle Between Holes | 90.0 DEGREES NOMINAL |
| Second End Hole Diameter | 0.1410 INCHES NOMINAL IN |
| Second End External Thread Length | 0.750 INCHES NOMINAL IN |
| Step Quantity | 10 |
| First End Diameter | 1.0908 INCHES MINIMUM AND 1.0913 INCHES MAXIMUM IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.426 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-46178 MIL SPEC ALL MATERIAL RESPONSES |
| Second End Distance From Hole Center to End | 0.250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO CROSS DRILLED HOLES AND EXTERNALLY THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 7521019 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2335T2 | 5/9 Secondary reference Diamond Reo Truck Co |
| 914090 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2520007521019 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2335T2 | 5/9 Secondary reference Spalla Inc |
| 30-362-11 | 5/9 Secondary reference T and J Industries Inc |
| 30-362-11 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-00-752-1019 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-752-1019 has 1 manufacturer part number on file: 7521019 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521019: Second End Angle Between Holes: 90.0 DEGREES NOMINAL; Second End Hole Diameter: 0.1410 INCHES NOMINAL IN; Second End External Thread Length: 0.750 INCHES NOMINAL IN; Step Quantity: 10. 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.