The Shaft,shouldered, cataloged under National Stock Number 3040-01-393-4587, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hansome Energy Systems Inc. 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 | 3040-01-393-4587 |
| Primary Part Number | HAN4296-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Second End External Thread Length | 0.760 INCHES NOMINAL IN |
| Step Quantity | 12 |
| First End Diameter | 1.5630 INCHES NOMINAL IN |
| Second End Diameter | 1.7495 INCHES NOMINAL IN |
| Largest Step Diameter | 2.2495 INCHES NOMINAL IN |
| First End External Thread Length | 0.4700 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Keyway Width | 0.3750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 MIL SPEC ALL MATERIAL RESPONSES |
| Second End Groove Diameter | 0.9060 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.2055 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1200 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 28.780 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material | NICKEL ALLOY 400 |
| External Keyway Length | 2.750 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 |
|---|---|
| A-326-165-44 | Hansome Energy Systems Inc (USA) |
| HAN4296-1 PRIMARY | Hansome Energy Systems Inc (USA) |
| HAN4299-2 | Hansome Energy Systems Inc (USA) |
NSN 3040-01-393-4587 is a Shaft,shouldered, manufactured by Hansome Energy Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-393-4587 has 3 manufacturer part numbers on file: A-326-165-44 (Hansome Energy Systems Inc), HAN4296-1 (Hansome Energy Systems Inc), HAN4299-2 (Hansome Energy Systems Inc).
Key specifications for HAN4296-1: Second End External Thread Length: 0.760 INCHES NOMINAL IN; Step Quantity: 12; First End Diameter: 1.5630 INCHES NOMINAL IN; Second End Diameter: 1.7495 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.