The Shaft,shouldered, cataloged under National Stock Number 3040-00-752-1340, 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 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-752-1340 |
| Primary Part Number | 7521340 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 2.0010 INCHES NOMINAL IN |
| Second End Diameter | 2.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.625 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.7800 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 2.0000 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 10 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 1.875 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 |
|---|---|
| 7521340 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 700T5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 913654 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 3880D498 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| SQAP521340 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-00-752-1340 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 3040-00-752-1340 has 1 manufacturer part number on file: 7521340 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521340: Step Quantity: 7; First End Diameter: 2.0010 INCHES NOMINAL IN; Second End Diameter: 2.0000 INCHES NOMINAL IN; Largest Step Diameter: 2.625 INCHES NOMINAL IN. 12 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.