The Planetary Spider Assembly, cataloged under National Stock Number 2520-01-643-4301, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Planetary Spider Assembly |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-643-4301 |
| Primary Part Number | 4220810 |
| Item Name | Planetary Spider Assembly |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 884231038A01 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4220810 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 884231038A01 | 5/9 Secondary reference Meritor Industrial Products, Llc |
NSN 2520-01-643-4301 is a Planetary Spider Assembly, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-643-4301 has 2 manufacturer part numbers on file: 884231038A01 (Meritor Heavy Vehicle Systems, Llc), 4220810 (Oshkosh Defense Llc).
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.