The Shaft,shouldered, cataloged under National Stock Number 3040-01-179-9241, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-179-9241 |
| Primary Part Number | 12325791 |
| 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 External Thread Length | 0.880 INCHES NOMINAL IN |
| Step Quantity | 1 |
| First End Diameter | 0.7410 INCHES MINIMUM AND 0.7430 INCHES MAXIMUM IN |
| Second End Diameter | 0.6250 INCHES NOMINAL IN |
| Largest Step Diameter | 0.741 INCHES MINIMUM AND 0.743 INCHES MAXIMUM IN |
| First End Slot Width | 0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| First End Style | SLOTTED |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.120 INCHES NOMINAL IN |
| Second End Style | EXTERNALLY AND INTERNALLY THREADED |
| Material | STEEL COMP 1015 |
| Second End Internal Thread Length | 0.375 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 |
|---|---|
| 12325791 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 13204E3706 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-179-9241 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 3040-01-179-9241 has 1 manufacturer part number on file: 12325791 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12325791: Second End External Thread Length: 0.880 INCHES NOMINAL IN; Step Quantity: 1; First End Diameter: 0.7410 INCHES MINIMUM AND 0.7430 INCHES MAXIMUM IN; Second End Diameter: 0.6250 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.