The Shaft,shouldered, cataloged under National Stock Number 3040-00-355-7809, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-355-7809 |
| Primary Part Number | 11621144 |
| 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 | 32.0 MICROINCHES |
| Second End External Thread Length | 0.589 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 1.6895 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.6895 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.031 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Second End Keyway Width | 0.3750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.9375 INCHES NOMINAL IN |
| First End Spline Length | 2.125 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.192 INCHES NOMINAL IN |
| First End Spline Quantity | 6 |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1563 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.589 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| First End Spline Minor Diameter | 1.4830 INCHES NOMINAL IN |
| Material | STEEL |
| External Keyway Length | 2.620 INCHES NOMINAL SECOND END 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 |
|---|---|
| 11621144 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3880N1106 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 3040-00-355-7809 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 3040-00-355-7809 has 1 manufacturer part number on file: 11621144 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11621144: Surface Finish: 32.0 MICROINCHES; Second End External Thread Length: 0.589 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 1.6895 INCHES NOMINAL IN. 21 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.