The Differential,driving Axle, cataloged under National Stock Number 2520-01-359-8478, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-359-8478 |
| Primary Part Number | B22-3200Y1091-717 |
| Item Name | Differential,driving Axle |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Carrier | INCLUDED |
| Drive Gear Type | SPUR BEVEL |
| 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 |
|---|---|
| B22-3200Y1091-717 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| B22-3200Y1091-717 | 3/9 Design control — primary reference U.S. Government activity |
| 5-33184 | D/9 Drawing number reference only Meritor Heavy Vehicle Systems, Llc |
NSN 2520-01-359-8478 is a Differential,driving Axle, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-359-8478 has 1 manufacturer part number on file: B22-3200Y1091-717 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for B22-3200Y1091-717: Speed Adjustments: SINGLE SPEED; Carrier: INCLUDED; Drive Gear Type: SPUR BEVEL. 3 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.