The Valve Assembly,transmission Cont, cataloged under National Stock Number 2520-01-228-1092, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-228-1092 |
| Primary Part Number | 23018580 |
| Item Name | Valve Assembly,transmission Cont |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | IRREGULAR SHAPE,CONTAINS CHECK VALVES AND LINEAR VALVES |
| 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 |
|---|---|
| 8AX160 | Oshkosh Defense Llc (USA) |
| 23018580 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 8AX160 | 5/9 Secondary reference Oshkosh Corp |
| 6882390 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2520-01-228-1092 is a Valve Assembly,transmission Cont, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-228-1092 has 2 manufacturer part numbers on file: 8AX160 (Oshkosh Defense Llc), 23018580 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018580: General Characteristics Item Description: IRREGULAR SHAPE,CONTAINS CHECK VALVES AND LINEAR VALVES; End Item Identification: 4210-01-137-9943,TRUCK,FIRE,CHASE. 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.