The Shaft,shouldered, cataloged under National Stock Number 3040-00-734-6892, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-734-6892 |
| Primary Part Number | 3880M533 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 8 |
| First End Diameter | 1.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.688 INCHES NOMINAL IN |
| First End External Thread Length | 1.000 INCHES NOMINAL IN |
| First End Style | TWO CROSS DRILLED HOLES AND EXTERNALLY THREADED |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES |
| First End Angle Between Holes | 90.0 DEGREES NOMINAL |
| End Similarity | IDENTICAL |
| First End Hole Diameter | 0.1563 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 4145 OR STEEL COMP 8640 |
| First End Distance From Hole Center to End | 0.250 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 |
|---|---|
| 7346892 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3880M533 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| KC5291 | 5/9 Secondary reference Diamond Reo Truck Co |
| 3040007346892 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 314285 | 5/9 Secondary reference Daf Trucks N.v. |
NSN 3040-00-734-6892 is a Shaft,shouldered, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-734-6892 has 2 manufacturer part numbers on file: 7346892 (U S Army Tank Automotive Command Amsta-Im-Mm), 3880M533 (Meritor Heavy Vehicle Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-3233. Verify interchangeability with system specifications before substitution.
Key specifications for 3880M533: Surface Finish: 63.0 MICROINCHES; Step Quantity: 8; First End Diameter: 1.5000 INCHES NOMINAL IN; Largest Step Diameter: 2.688 INCHES NOMINAL IN. 12 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.