The Shaft,shouldered, cataloged under National Stock Number 3040-01-502-4328, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-502-4328 |
| Primary Part Number | HAN 6273-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End External Thread Length | 0.440 INCHES NOMINAL IN |
| Step Quantity | 21 |
| First End Diameter | 1.6250 INCHES NOMINAL IN |
| Second End Diameter | 1.5630 INCHES NOMINAL IN |
| Largest Step Diameter | 4.000 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Groove Diameter | 1.5430 INCHES NOMINAL IN |
| First End Keyway Depth | 0.219 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1200 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.440 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | STEEL COMP 316 |
| External Keyway Length | 2.500 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3770 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 |
| Part Number | Manufacturer |
|---|---|
| A-445-228 ITEM 39 | Hansome Energy Systems Inc (USA) |
| HAN 6273-1 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| A-445-228 | D/9 Drawing number reference only Hansome Energy Systems Inc |
NSN 3040-01-502-4328 is a Shaft,shouldered, manufactured by Hansome Energy Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-502-4328 has 2 manufacturer part numbers on file: A-445-228 ITEM 39 (Hansome Energy Systems Inc), HAN 6273-1 (Hansome Energy Systems Inc).
Key specifications for HAN 6273-1: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.440 INCHES NOMINAL IN; Step Quantity: 21; First End Diameter: 1.6250 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.
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.