The Shaft,shouldered, cataloged under National Stock Number 3040-00-101-4857, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-101-4857 |
| Primary Part Number | 3326030 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Second End External Thread Length | 0.812 INCHES NOMINAL IN |
| Step Quantity | 8 |
| First End Diameter | 1.7780 INCHES NOMINAL IN |
| Second End Diameter | 1.7710 INCHES NOMINAL IN |
| Largest Step Diameter | 2.130 INCHES NOMINAL IN |
| First End External Thread Length | 0.750 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| First End Keyway Depth | 0.156 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 3.625 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3120 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 |
|---|---|
| 3326030 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3326030 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 3040-00-101-4857 is a Shaft,shouldered, manufactured by Hatch & Kirk, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-101-4857 has 1 manufacturer part number on file: 3326030 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-241-0054. Verify interchangeability with system specifications before substitution.
Key specifications for 3326030: Second End External Thread Length: 0.812 INCHES NOMINAL IN; Step Quantity: 8; First End Diameter: 1.7780 INCHES NOMINAL IN; Second End Diameter: 1.7710 INCHES NOMINAL IN. 13 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.