The Shaft,shouldered, cataloged under National Stock Number 3040-01-012-4635, 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 23 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 | 3040-01-012-4635 |
| Primary Part Number | 11675536 |
| 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 | 63.0 MICROINCHES |
| Second End External Thread Length | 0.573 INCHES NOMINAL IN |
| First End Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Step Quantity | 8 |
| First End Diameter | 1.9722 INCHES MINIMUM AND 1.9772 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 1.9722 INCHES MINIMUM AND 1.9772 INCHES MAXIMUM IN |
| Second End Diameter | 1.1800 INCHES MINIMUM AND 1.1950 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.995 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Keyway Width | 0.1960 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 1.0600 INCHES NOMINAL IN |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 1.500 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| First End Spline Quantity | 15 |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0900 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.573 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| First End Spline Minor Diameter | 1.7030 INCHES MINIMUM AND 1.7210 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8640H OR STEEL COMP 8740H |
| External Keyway Length | 0.883 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 |
|---|---|
| 11675536 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-012-4635 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 3040-01-012-4635 has 1 manufacturer part number on file: 11675536 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11675536: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.573 INCHES NOMINAL IN; First End Pitch Diameter: 1.8750 INCHES NOMINAL IN; Step Quantity: 8. 23 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.