The Shaft,shouldered, cataloged under National Stock Number 3040-01-174-6656, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-174-6656 |
| Primary Part Number | 75A613689-2001 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | NOSE GEAR STEERING |
| Step Quantity | 3 |
| First End Diameter | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.060 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 17-4PH |
| 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 |
|---|---|
| 75A613689-2001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A613689-2001 | 3/9 Design control — primary reference Br Machine Parts Inc |
NSN 3040-01-174-6656 is a Shaft,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-174-6656 has 1 manufacturer part number on file: 75A613689-2001 (The Boeing Company Div Defense).
Key specifications for 75A613689-2001: Surface Finish: 125.0 MICROINCHES; FSC Application Data: NOSE GEAR STEERING; Step Quantity: 3; First End Diameter: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. 9 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.