The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-875-8395, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-875-8395 |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| Second End Type | SPLINED |
| First End Pitch Diameter | 2.187 INCHES NOMINAL IN |
| First End Type | SPLINED |
| First End Facility Diameter | 2.875 INCHES NOMINAL IN |
| First End Spline Major Diameter | 2.250 INCHES NOMINAL IN |
| Second End Spline Quantity | 35 |
| Second End Spline Minor Diameter | 2.000 INCHES NOMINAL IN |
| Second End Bearing Seat | NOT INCLUDED |
| Second End Facility Width | 1.000 INCHES NOMINAL IN |
| First End Facility Width | 0.750 INCHES NOMINAL IN |
| First End Spline Pressure Angle in Deg | 30.0 |
| Second End Facility Location | 0.750 IN. FROM END OF SHAFT IN |
| Second End Spline Major Diameter | 2.125 INCHES NOMINAL IN |
| Second End Engaging/locking/positioning Facility | SHOULDER |
| First End Spline Quantity | 35 |
| First End Facility Location | 0.375 IN.FROM END OF SHAFT IN |
| Second End Spline Pressure Angle in Deg | 30.0 |
| Material Document and Classification | AISI 4340H ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Length | 1.500 INCHES NOMINAL IN |
| First End Spline Type | INVOLUTE |
| Second End Spline Type | INVOLUTE |
| First End Spline Minor Diameter | 2.120 INCHES NOMINAL IN |
| Second End Facility Diameter | 2.125 INCHES NOMINAL IN |
| Material | STEEL COMP 4340H |
| First End Engaging/locking/positioning Facility | SHOULDER |
| First End Bearing Seat | NOT INCLUDED |
| Metallic Hardness Rating | 47.0 MAXIMUM ROCKWELL C |
| Second End Pitch Diameter | 2.062 INCHES NOMINAL IN |
| Second End Spline Length | 2.437 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 |
|---|---|
| B7631 | 3/9 Design control — primary reference Pettibone Llc |
NSN 2520-00-875-8395 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): 5305-01-724-3376. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-00-875-8395: Second End Type: SPLINED; First End Pitch Diameter: 2.187 INCHES NOMINAL IN; First End Type: SPLINED; First End Facility Diameter: 2.875 INCHES NOMINAL IN. 29 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.