The Shaft,shouldered, cataloged under National Stock Number 3040-00-808-7441, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-808-7441 |
| Primary Part Number | 11621145 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 350.0 MICROINCHES |
| Second End Hole Diameter | 0.1563 INCHES NOMINAL IN |
| Second End External Thread Length | 0.813 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 1.7719 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.7719 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.994 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.344 INCHES NOMINAL IN |
| First End Spline Length | 0.969 INCHES NOMINAL IN |
| Second End Hole Depth | 1.000 INCHES NOMINAL IN |
| First End Spline Quantity | 17 |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| First End Spline Minor Diameter | 1.4830 INCHES NOMINAL IN |
| Material | STEEL COMP 4620H OR STEEL COMP 8620H |
| 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 |
|---|---|
| 11621145 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3040008087441 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 388Q1109 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 3040-00-808-7441 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 3040-00-808-7441 has 1 manufacturer part number on file: 11621145 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11621145: Surface Finish: 350.0 MICROINCHES; Second End Hole Diameter: 0.1563 INCHES NOMINAL IN; Second End External Thread Length: 0.813 INCHES NOMINAL IN; Step Quantity: 6. 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.
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.