The Shaft,axle,automotive, cataloged under National Stock Number 2520-01-421-4588, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Am General Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-421-4588 |
| Primary Part Number | RCSK17028-3 |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) |
| Second End Type | SPLINED |
| First End Type | FLANGED |
| Second End Spline Quantity | 32 |
| Second End Bearing Seat | NOT INCLUDED |
| Flange Thickness at Mounting Hole | 0.200 INCHES NOMINAL IN |
| Second End Spline Pressure Angle in Deg | 45.0 |
| Flange Overall Thickness | 0.335 INCHES NOMINAL IN |
| Second End Spline Type | INVOLUTE |
| Flange Outside Diameter | 3.539 INCHES MINIMUM AND 3.543 INCHES MAXIMUM IN |
| First End Bearing Seat | NOT INCLUDED |
| Metallic Hardness Rating | 50.0 NOMINAL ROCKWELL C |
| Second End Pitch Diameter | 1.3333 INCHES NOMINAL IN |
| Hole Diameter | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Second End Spline Length | 2.440 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 |
| Part Number | Manufacturer |
|---|---|
| 299-0050 | Gkn Driveline North America, Inc. (USA) |
| RCSK17028-3 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| XA13962 | 5/9 Secondary reference Gkn Driveline North America, Inc. |
| 2520PL0644299 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2520014214588 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2520-01-421-4588 is a Shaft,axle,automotive, manufactured by Am General Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-421-4588 has 2 manufacturer part numbers on file: 299-0050 (Gkn Driveline North America, Inc.), RCSK17028-3 (Am General Llc).
Key specifications for RCSK17028-3: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S); Second End Type: SPLINED; First End Type: FLANGED; Second End Spline Quantity: 32. 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.