The Differential Gear Unit, cataloged under National Stock Number 2520-01-390-8086, 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 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2520-01-390-8086 |
| Primary Part Number | KIT4719 |
| Item Name | Differential Gear Unit |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Construction | ASSEMBLED |
| 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 |
|---|---|
| KIT4719 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4719 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 4719 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4719 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2520-01-390-8086 is a Differential Gear Unit, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-390-8086 has 3 manufacturer part numbers on file: KIT4719 (Meritor Heavy Vehicle Systems, Llc), 4719 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 4719 (Amz Alabama Inc.).
Key specifications for KIT4719: End Item Identification: 2320-01-354-3382; Construction: ASSEMBLED. 1 specification is 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.