The Shaft,shouldered, cataloged under National Stock Number 3040-00-445-7764, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. 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 | 3040-00-445-7764 |
| Primary Part Number | 9139203 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.1875 INCHES NOMINAL IN |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 2 |
| First End Diameter | 0.2348 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 1.000 INCHES NOMINAL IN |
| Second End Diameter | 0.2348 INCHES NOMINAL IN |
| Largest Step Diameter | 0.297 INCHES NOMINAL IN |
| First End Distance From End to Flat | 0.438 INCHES NOMINAL IN |
| First End Style | FLAT GROOVED |
| First End Grooved Flat Depth | 0.016 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Grooved Flat Length | 0.1875 INCHES NOMINAL IN |
| Second End Grooved Flat Depth | 0.016 INCHES NOMINAL IN |
| Second End Style | FLAT GROOVED |
| Material | STEEL COMP 410 |
| 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 |
|---|---|
| 9139203 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-445-7764 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-445-7764 has 1 manufacturer part number on file: 9139203 (Us Army Aviation and Missile Command).
Key specifications for 9139203: Second End Grooved Flat Length: 0.1875 INCHES NOMINAL IN; Surface Finish: 32.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.2348 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.