The Shaft,shouldered, cataloged under National Stock Number 3040-01-040-1127, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-040-1127 |
| Primary Part Number | S504959 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES |
| Second End External Thread Length | 0.917 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 1.5750 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.756 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.219 INCHES NOMINAL IN |
| First End Groove Diameter | 1.4700 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 4340 |
| First End Groove Width | 0.0700 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 |
|---|---|
| S504959 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 3040-01-040-1127 is a Shaft,shouldered, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-040-1127 has 1 manufacturer part number on file: S504959 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for S504959: Surface Finish: 20.0 MICROINCHES; Second End External Thread Length: 0.917 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 1.5750 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.