The Shaft,shouldered, cataloged under National Stock Number 3040-01-631-9769, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-631-9769 |
| Primary Part Number | 11683944 |
| 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 MICRONS |
| Step Quantity | 3 |
| First End Diameter | 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN |
| Second End Diameter | 1.50 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Second End Groove Diameter | 0.94 INCHES NOMINAL IN |
| First End Keyway Depth | 0.09 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.12 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.190 INCHES NOMINAL IN |
| First End Groove Diameter | 0.092 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 |
| First End Groove Width | 0.09 INCHES NOMINAL IN |
| First End Keyway Width | 0.19 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 |
|---|---|
| 11683944 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-631-9769 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 3040-01-631-9769 has 1 manufacturer part number on file: 11683944 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11683944: Surface Finish: 32.0 MICRONS; Step Quantity: 3; First End Diameter: 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN; Second End Diameter: 1.50 INCHES NOMINAL IN. 15 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.