The Cooler,air,evaporative, cataloged under National Stock Number 4120-01-552-0052, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Deere & Co. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4120-01-552-0052 |
| Primary Part Number | AT228686 |
| Item Name | Cooler,air,evaporative |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AT228686 | Rdo Equipment Pty Ltd (AUS) |
| AT228686 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| AT228686 PRIMARY | Deere & Co (USA) |
| Reference | Meaning |
|---|---|
| AT228686 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
| AT228686 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
NSN 4120-01-552-0052 is a Cooler,air,evaporative, manufactured by Deere & Co, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-552-0052 has 3 manufacturer part numbers on file: AT228686 (Rdo Equipment Pty Ltd), AT228686 (Rdo Equipment Rdo Equipment Pty Ltd), AT228686 (Deere & Co).
Key specifications for AT228686: Part Name Assigned by Controlling Agency: CHARGE AIR COOLER; End Item Identification: 750J/850J CRAWLER DOZER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.