The Shaft,shouldered, cataloged under National Stock Number 3040-01-436-9056, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-436-9056 |
| Primary Part Number | 12364517 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 3.6840 INCHES NOMINAL IN |
| Second End Diameter | 3.4641 INCHES NOMINAL IN |
| Largest Step Diameter | 4.2460 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 3.7590 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| Second End Spline Major Diameter | 4.1240 INCHES MINIMUM AND 4.1670 INCHES MAXIMUM IN |
| First End Internal Thread Length | 1.2500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 24 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 4340 |
| Second End Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Second End Spline Length | 4.3100 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 |
NSN 3040-01-436-9056 is a Shaft,shouldered, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-436-9056 has 3 manufacturer part numbers on file: 12364517 (Bae Systems Land & Armaments L.p.), 12364517 (U S Army Tank Automotive Command Amsta-Im-Mm), 12364517 (Amz Alabama Inc.).
Key specifications for 12364517: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 3.6840 INCHES NOMINAL IN; Second End Diameter: 3.4641 INCHES NOMINAL IN. 17 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.