The Transmission,hydraulic,vehicular, cataloged under National Stock Number 2520-01-665-0820, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-665-0820 |
| Primary Part Number | E023845 |
| Item Name | Transmission,hydraulic,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Design Type | PLANETARY GEAR W/INTEGRAL TORQUE CONVERTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-01-665-0820 is a Transmission,hydraulic,vehicular, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-665-0820 has 2 manufacturer part numbers on file: E023845 (Allison Transmission Inc Dba Allison Transmission, Inc), 4167112 (Oshkosh Defense Llc).
Key specifications for E023845: Design Type: PLANETARY GEAR W/INTEGRAL TORQUE CONVERTER; Part Name Assigned by Controlling Agency: COLLOQUIAL NAME TRANSMISSION UNDRESSED, HYDRAULIC WITHOUT CONTAINER; End Item Identification: 4210-01-622-0440. 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.