The Shaft,shouldered, cataloged under National Stock Number 3040-01-113-5988, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-113-5988 |
| Primary Part Number | C6K325SJ |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2070 INCHES NOMINAL IN |
| Step Quantity | 8 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.875 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| First End External Thread Length | 0.562 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND WOODRUFF KEYWAY |
| Second End Keyway Width | 0.1875 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.375 INCHES NOMINAL IN |
| Second End Hole Depth | 0.750 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.094 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY AND CROSS DRILLED HOLE |
| Material | STEEL |
| External Keyway Length | 0.562 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 1.000 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1875 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 | N |
| Part Number | Manufacturer |
|---|---|
| C6K325SJ PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| C6K325SJ | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-113-5988 is a Shaft,shouldered, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-113-5988 has 1 manufacturer part number on file: C6K325SJ (U S Dept of Transportation Federal Aviation Administration).
Key specifications for C6K325SJ: Second End Hole Diameter: 0.2070 INCHES NOMINAL IN; Step Quantity: 8; First End Diameter: 0.7500 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.875 INCHES NOMINAL IN. 18 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.