The Cooler,fluid,transmission, cataloged under National Stock Number 2520-01-646-8104, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Akg of America, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-646-8104 |
| Primary Part Number | 0643.004.4500 |
| Item Name | Cooler,fluid,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Akg of America, Inc. |
| Status | ACTIVE |
| Heat Transfer Method | DIRECT |
| Temp Rating | -310.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Style Designator | OBLONG |
| Test Pressure Rating | 524.0 PSI |
| Operating Pressure | 435.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Height | 3.95 INCHES NOMINAL IN |
| Width | 12.20 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING AND COPPER OVERALL |
| 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 |
|---|---|
| 0643.004.4500 PRIMARY | Akg of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3933242 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 2520-01-646-8104 is a Cooler,fluid,transmission, manufactured by Akg of America, Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-646-8104 has 1 manufacturer part number on file: 0643.004.4500 (Akg of America, Inc.).
Key specifications for 0643.004.4500: Heat Transfer Method: DIRECT; Temp Rating: -310.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Style Designator: OBLONG; Test Pressure Rating: 524.0 PSI. 8 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.