The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-062-4246, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-062-4246 |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| First End Bearing Seat Diameter | 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN |
| Second End Type | SPLINED |
| First End Type | SPLINED |
| First End Spline Major Diameter | 1.770 INCHES MINIMUM AND 1.775 INCHES MAXIMUM IN |
| First End Bearing Seat Width | 2.000 INCHES NOMINAL IN |
| Second End Spline Quantity | 10 |
| Second End Spline Minor Diameter | 1.444 INCHES MINIMUM AND 1.454 INCHES MAXIMUM IN |
| Second End Bearing Seat | NOT INCLUDED |
| Second End Spline Major Diameter | 1.748 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN |
| First End Spline Quantity | 19 |
| Material Document and Classification | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Length | 1.938 INCHES NOMINAL IN |
| First End Distance From Bearing Seat to End | 4.688 INCHES NOMINAL IN |
| First End Spline Type | STRAIGHT |
| Second End Spline Type | STRAIGHT |
| First End Spline Minor Diameter | 1.645 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 |
| First End Bearing Seat | INCLUDED |
| Second End Spline Length | 2.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 742279 | 5/9 Secondary reference Kelsey-Hayes Co Fabco Div |
| WT273 | 3/9 Design control — primary reference Kelsey-Hayes Co Fabco Div |
NSN 2520-00-062-4246 is a Shaft,axle,automotive, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-009-0969, 6750-01-387-9325. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-00-062-4246: First End Bearing Seat Diameter: 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN; Second End Type: SPLINED; First End Type: SPLINED; First End Spline Major Diameter: 1.770 INCHES MINIMUM AND 1.775 INCHES MAXIMUM IN. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.