The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-421-7059, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-421-7059 |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Second End Type | SPLINED |
| First End Type | FLANGED |
| Second End Spline Quantity | 6 |
| Second End Spline Minor Diameter | 1.100 INCHES NOMINAL IN |
| Second End Bearing Seat | NOT INCLUDED |
| Flange Thickness at Mounting Hole | 0.250 INCHES NOMINAL IN |
| Second End Spline Major Diameter | 1.375 INCHES NOMINAL IN |
| Flange Overall Thickness | 0.650 INCHES NOMINAL IN |
| Second End Spline Type | STRAIGHT |
| Material | STEEL |
| Flange Outside Diameter | 8.750 INCHES NOMINAL IN |
| First End Bearing Seat | NOT INCLUDED |
| Hole Diameter | 0.312 INCHES NOMINAL IN |
| Second End Spline Length | 2.500 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 |
|---|---|
| 120115 | 3/9 Design control — primary reference Schaeff Namco Inc |
NSN 2520-00-421-7059 is a Shaft,axle,automotive, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1730-01-242-1653. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-00-421-7059: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S); Second End Type: SPLINED; First End Type: FLANGED; Second End Spline Quantity: 6. 15 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.