The Shaft,shouldered, cataloged under National Stock Number 3040-01-300-0144, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-300-0144 |
| Primary Part Number | 243946-2 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Step Quantity | 11 |
| First End Diameter | 0.1900 INCHES NOMINAL IN |
| Largest Step Diameter | 0.6200 INCHES NOMINAL IN |
| First End External Thread Length | 0.3000 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material Document and Classification | MIL-S-6709 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 0.3000 INCHES NOMINAL IN |
| Material | STEEL |
| First End Groove Width | 0.0400 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 |
|---|---|
| 243946-2 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| Reference | Meaning |
|---|---|
| 243946 | D/9 Drawing number reference only Lockheed Martin Corp Electronics and Missiles Div |
NSN 3040-01-300-0144 is a Shaft,shouldered, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-300-0144 has 1 manufacturer part number on file: 243946-2 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 243946-2: Step Quantity: 11; First End Diameter: 0.1900 INCHES NOMINAL IN; Largest Step Diameter: 0.6200 INCHES NOMINAL IN; First End External Thread Length: 0.3000 INCHES NOMINAL IN. 10 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 3040-01-300-0144 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.