The Shaft,shouldered, cataloged under National Stock Number 3040-00-083-4107, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. Government technical data includes 16 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 | 3040-00-083-4107 |
| Primary Part Number | 584190 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Diameter | 0.3408 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.317 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.2706 INCHES NOMINAL IN |
| First End External Thread Length | 0.2900 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Spline Major Diameter | 0.3438 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 10 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 4140 |
| Second End Pitch Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Spline Length | 0.5000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 584190 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
NSN 3040-00-083-4107 is a Shaft,shouldered, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-083-4107 has 1 manufacturer part number on file: 584190 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
Key specifications for 584190: Step Quantity: 4; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.3408 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN; Largest Step Diameter: 0.317 INCHES NOMINAL IN. 16 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 3040-00-083-4107 has DEMIL Code B. 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.