The Shaft,shouldered, cataloged under National Stock Number 3040-00-374-2175, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-374-2175 |
| Primary Part Number | 2843R122 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Second End Hole Diameter | 0.5000 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.7480 INCHES NOMINAL IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Second End Step Length | 1.170 INCHES NOMINAL IN |
| Largest Step Diameter | 0.875 INCHES NOMINAL IN |
| First End Distance Between First and Second Groove Centers | 1.625 INCHES NOMINAL IN |
| First End Style | THREE CIRCULAR GROOVES |
| Second End Distance From Hole Center to End | 0.500 INCHES NOMINAL IN |
| Second End Hole Depth | 0.550 INCHES NOMINAL IN |
| Second End Tongue Width | 0.8650 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.550 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.312 INCHES NOMINAL IN |
| First End Groove Diameter | 0.4750 INCHES NOMINAL IN |
| Second End Style | TONGUE AND CROSS DRILLED HOLE |
| Material | STEEL |
| First End Groove Width | 0.4062 INCHES NOMINAL IN |
| First End Distance Between Second and Third Groove Centers | 0.625 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 |
|---|---|
| 2843R122 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 367SP56 | 5/2 Secondary reference U.S. Government activity |
| 19FK0191 | 5/9 Secondary reference Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) |
| 267SP56 | 5/2 Secondary reference U.S. Government activity |
| 427439 | 5/9 Secondary reference White Motor Corp |
NSN 3040-00-374-2175 is a Shaft,shouldered, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-374-2175 has 1 manufacturer part number on file: 2843R122 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 2843R122: Second End Hole Diameter: 0.5000 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.7480 INCHES NOMINAL IN; Second End Diameter: 0.8750 INCHES NOMINAL IN. 19 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.