The Shaft,shouldered, cataloged under National Stock Number 3040-00-605-9684, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aerometals, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-605-9684 |
| Primary Part Number | 29-5656-2 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aerometals, Inc. |
| Status | ACTIVE |
| First End Pitch Diameter | 0.4844 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.6220 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.486 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.0600 INCHES MINIMUM AND 0.6803 INCHES MAXIMUM IN |
| First End Spline Quantity | 19 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.5233 INCHES MINIMUM AND 0.5313 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 29-5656-2 | Aerometals, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 29-5656-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-605-9684 is a Shaft,shouldered, manufactured by Aerometals, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-605-9684 has 1 manufacturer part number on file: 29-5656-2 (Aerometals, Inc.).
Key specifications for 29-5656-2: First End Pitch Diameter: 0.4844 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.6220 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. 12 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.
NSN 3040-00-605-9684 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.